125364979 has 2 divisors, whose sum is σ = 125364980. Its totient is φ = 125364978.

The previous prime is 125364947. The next prime is 125364997. The reversal of 125364979 is 979463521.

It is a happy number.

Together with next prime (125364997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (979463521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125364979 - 2⁵ = 125364947 is a prime.

It is not a weakly prime, because it can be changed into another prime (125364929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62682489 + 62682490.

It is an arithmetic number, because the mean of its divisors is an integer number (62682490).

Almost surely, 2^125364979 is an apocalyptic number.

125364979 is a deficient number, since it is larger than the sum of its proper divisors (1).

125364979 is an equidigital number, since it uses as much as digits as its factorization.

125364979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 125364979 is about 11196.6503473137. The cubic root of 125364979 is about 500.4861657991.

The spelling of 125364979 in words is "one hundred twenty-five million, three hundred sixty-four thousand, nine hundred seventy-nine".