125419913 has 8 divisors (see below), whose sum is σ = 129040608. Its totient is φ = 121850784.

The previous prime is 125419909. The next prime is 125419919. The reversal of 125419913 is 319914521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 125419913 - 2² = 125419909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125419919) 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, 7931 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (16130076).

Almost surely, 2^125419913 is an apocalyptic number.

It is an amenable number.

125419913 is a deficient number, since it is larger than the sum of its proper divisors (3620695).

125419913 is an equidigital number, since it uses as much as digits as its factorization.

125419913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25783.

The product of its digits is 9720, while the sum is 35.

The square root of 125419913 is about 11199.1032230264. The cubic root of 125419913 is about 500.5592582272.

The spelling of 125419913 in words is "one hundred twenty-five million, four hundred nineteen thousand, nine hundred thirteen".