125561416 has 32 divisors (see below), whose sum is σ = 254145600. Its totient is φ = 57977920.

The previous prime is 125561413. The next prime is 125561431. The reversal of 125561416 is 614165521.

It is not an unprimeable number, because it can be changed into a prime (125561413) 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, 6430 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (7942050).

Almost surely, 2^125561416 is an apocalyptic number.

It is an amenable number.

125561416 is an abundant number, since it is smaller than the sum of its proper divisors (128584184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125561416 is a wasteful number, since it uses less digits than its factorization.

125561416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589 (or 23585 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 125561416 is about 11205.4190461580. The cubic root of 125561416 is about 500.7474367864.

The spelling of 125561416 in words is "one hundred twenty-five million, five hundred sixty-one thousand, four hundred sixteen".