104978131 has 2 divisors, whose sum is σ = 104978132. Its totient is φ = 104978130.

The previous prime is 104978113. The next prime is 104978147. The reversal of 104978131 is 131879401.

Together with previous prime (104978113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104978131 - 2¹³ = 104969939 is a prime.

It is a super-2 number, since 2×104978131² = 22040815976506322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104978101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52489065 + 52489066.

It is an arithmetic number, because the mean of its divisors is an integer number (52489066).

Almost surely, 2^104978131 is an apocalyptic number.

104978131 is a deficient number, since it is larger than the sum of its proper divisors (1).

104978131 is an equidigital number, since it uses as much as digits as its factorization.

104978131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 104978131 is about 10245.8836124563. The cubic root of 104978131 is about 471.7366429798.

The spelling of 104978131 in words is "one hundred four million, nine hundred seventy-eight thousand, one hundred thirty-one".