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121264790 = 2519016379
BaseRepresentation
bin1110011101001…
…01101010010110
322110011220000112
413032211222112
5222020433130
620011043022
73001506443
oct716455226
9273156015
10121264790
11624a6039
1234740472
131c17a81a
14121689ca
15a9a5495
hex73a5a96

121264790 has 16 divisors (see below), whose sum is σ = 218425680. Its totient is φ = 48472800.

The previous prime is 121264771. The next prime is 121264811. The reversal of 121264790 is 97462121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15821 + ... + 22199.

It is an arithmetic number, because the mean of its divisors is an integer number (13651605).

Almost surely, 2121264790 is an apocalyptic number.

121264790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121264790 is a deficient number, since it is larger than the sum of its proper divisors (97160890).

121264790 is a wasteful number, since it uses less digits than its factorization.

121264790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 121264790 is about 11012.0293315991. The cubic root of 121264790 is about 494.9692733367.

The spelling of 121264790 in words is "one hundred twenty-one million, two hundred sixty-four thousand, seven hundred ninety".

Divisors: 1 2 5 10 1901 3802 6379 9505 12758 19010 31895 63790 12126479 24252958 60632395 121264790