104571257 has 4 divisors (see below), whose sum is σ = 119510016. Its totient is φ = 89632500.

The previous prime is 104571253. The next prime is 104571283. The reversal of 104571257 is 752175401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104571257 - 2² = 104571253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104571251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7469369 + ... + 7469382.

It is an arithmetic number, because the mean of its divisors is an integer number (29877504).

Almost surely, 2^104571257 is an apocalyptic number.

It is an amenable number.

104571257 is a deficient number, since it is larger than the sum of its proper divisors (14938759).

104571257 is an equidigital number, since it uses as much as digits as its factorization.

104571257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938758.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 104571257 is about 10226.0088499864. The cubic root of 104571257 is about 471.1264019753.

The spelling of 104571257 in words is "one hundred four million, five hundred seventy-one thousand, two hundred fifty-seven".