125504879 has 2 divisors, whose sum is σ = 125504880. Its totient is φ = 125504878.

The previous prime is 125504803. The next prime is 125504893. The reversal of 125504879 is 978405521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125504879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125594879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62752439 + 62752440.

It is an arithmetic number, because the mean of its divisors is an integer number (62752440).

Almost surely, 2^125504879 is an apocalyptic number.

125504879 is a deficient number, since it is larger than the sum of its proper divisors (1).

125504879 is an equidigital number, since it uses as much as digits as its factorization.

125504879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 125504879 is about 11202.8960095147. The cubic root of 125504879 is about 500.6722677072.

The spelling of 125504879 in words is "one hundred twenty-five million, five hundred four thousand, eight hundred seventy-nine".