104031257 has 16 divisors (see below), whose sum is σ = 119660544. Its totient is φ = 89562000.

The previous prime is 104031253. The next prime is 104031293. The reversal of 104031257 is 752130401.

It is not a de Polignac number, because 104031257 - 2² = 104031253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104031253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12782 + ... + 19272.

It is an arithmetic number, because the mean of its divisors is an integer number (7478784).

Almost surely, 2^104031257 is an apocalyptic number.

It is an amenable number.

104031257 is a deficient number, since it is larger than the sum of its proper divisors (15629287).

104031257 is a wasteful number, since it uses less digits than its factorization.

104031257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 104031257 is about 10199.5714125644. The cubic root of 104031257 is about 470.3140454330.

Adding to 104031257 its reverse (752130401), we get a palindrome (856161658).

The spelling of 104031257 in words is "one hundred four million, thirty-one thousand, two hundred fifty-seven".