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1042120501 = 23272916603
BaseRepresentation
bin111110000111010…
…111111100110101
32200121221012120121
4332013113330311
54113240324001
6251224131541
734552610122
oct7607277465
92617835517
101042120501
11495282614
12251006bb1
13137b96c66
149c593749
15617516a1
hex3e1d7f35

1042120501 has 8 divisors (see below), whose sum is σ = 1087894080. Its totient is φ = 996385632.

The previous prime is 1042120489. The next prime is 1042120507. The reversal of 1042120501 is 1050212401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042120501 - 211 = 1042118453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042120507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54466 + ... + 71068.

It is an arithmetic number, because the mean of its divisors is an integer number (135986760).

Almost surely, 21042120501 is an apocalyptic number.

It is an amenable number.

1042120501 is a deficient number, since it is larger than the sum of its proper divisors (45773579).

1042120501 is a wasteful number, since it uses less digits than its factorization.

1042120501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19355.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1042120501 is about 32281.8912240284. The cubic root of 1042120501 is about 1013.8475278656.

Adding to 1042120501 its reverse (1050212401), we get a palindrome (2092332902).

The spelling of 1042120501 in words is "one billion, forty-two million, one hundred twenty thousand, five hundred one".

Divisors: 1 23 2729 16603 62767 381869 45309587 1042120501