125411879 has 2 divisors, whose sum is σ = 125411880. Its totient is φ = 125411878.

The previous prime is 125411849. The next prime is 125411929. The reversal of 125411879 is 978114521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125411879 - 2²⁴ = 108634663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125411849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62705939 + 62705940.

It is an arithmetic number, because the mean of its divisors is an integer number (62705940).

Almost surely, 2^125411879 is an apocalyptic number.

125411879 is a deficient number, since it is larger than the sum of its proper divisors (1).

125411879 is an equidigital number, since it uses as much as digits as its factorization.

125411879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 38.

The square root of 125411879 is about 11198.7445278478. The cubic root of 125411879 is about 500.5485699220.

The spelling of 125411879 in words is "one hundred twenty-five million, four hundred eleven thousand, eight hundred seventy-nine".