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1007006121 = 331129432719
BaseRepresentation
bin111100000001011…
…011000110101001
32121011212012201000
4330001123012221
54030243143441
6243531345213
733645260622
oct7401330651
92534765630
101007006121
11477479670
122412b2209
13130821114
1497a52a49
155d6172b6
hex3c05b1a9

1007006121 has 64 divisors (see below), whose sum is σ = 1723392000. Its totient is φ = 575346240.

The previous prime is 1007006113. The next prime is 1007006123. The reversal of 1007006121 is 1216007001.

It is not a de Polignac number, because 1007006121 - 23 = 1007006113 is a prime.

It is a super-2 number, since 2×10070061212 = 2028122655462933282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1007006094 and 1007006103.

It is not an unprimeable number, because it can be changed into a prime (1007006123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 369000 + ... + 371718.

It is an arithmetic number, because the mean of its divisors is an integer number (26928000).

Almost surely, 21007006121 is an apocalyptic number.

1007006121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1007006121 is a deficient number, since it is larger than the sum of its proper divisors (716385879).

1007006121 is a wasteful number, since it uses less digits than its factorization.

1007006121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1007006121 is about 31733.3597496389. The cubic root of 1007006121 is about 1002.3299408263.

The spelling of 1007006121 in words is "one billion, seven million, six thousand, one hundred twenty-one".

Divisors: 1 3 9 11 27 29 33 43 87 99 129 261 297 319 387 473 783 957 1161 1247 1419 2719 2871 3741 4257 8157 8613 11223 12771 13717 24471 29909 33669 41151 73413 78851 89727 116917 123453 236553 269181 350751 370359 709659 807543 867361 1052253 1286087 2128977 2602083 3156759 3390593 3858261 7806249 10171779 11574783 23418747 30515337 34724349 37296523 91546011 111889569 335668707 1007006121