102404931 has 8 divisors (see below), whose sum is σ = 136826880. Its totient is φ = 68126472.

The previous prime is 102404903. The next prime is 102404971. The reversal of 102404931 is 139404201.

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

It is not a de Polignac number, because 102404931 - 2⁶ = 102404867 is a prime.

It is a super-2 number, since 2×102404931² = 20973539786229522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102404971) 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, 34195 + ... + 37068.

It is an arithmetic number, because the mean of its divisors is an integer number (17103360).

Almost surely, 2^102404931 is an apocalyptic number.

102404931 is a deficient number, since it is larger than the sum of its proper divisors (34421949).

102404931 is an equidigital number, since it uses as much as digits as its factorization.

102404931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71745.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102404931 is about 10119.5321532174. The cubic root of 102404931 is about 467.8503475412.

The spelling of 102404931 in words is "one hundred two million, four hundred four thousand, nine hundred thirty-one".