104031120521 has 8 divisors (see below), whose sum is σ = 104864531904. Its totient is φ = 103198304560.

The previous prime is 104031120517. The next prime is 104031120593. The reversal of 104031120521 is 125021130401.

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 104031120521 - 2² = 104031120517 is a prime.

It is a super-2 number, since 2×104031120521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104031120493 and 104031120502.

It is not an unprimeable number, because it can be changed into a prime (104031120821) 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, 205340 + ... + 500226.

It is an arithmetic number, because the mean of its divisors is an integer number (13108066488).

Almost surely, 2^104031120521 is an apocalyptic number.

It is an amenable number.

104031120521 is a deficient number, since it is larger than the sum of its proper divisors (833411383).

104031120521 is a wasteful number, since it uses less digits than its factorization.

104031120521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297711.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 104031120521 its reverse (125021130401), we get a palindrome (229052250922).

The spelling of 104031120521 in words is "one hundred four billion, thirty-one million, one hundred twenty thousand, five hundred twenty-one".