125513616 has 40 divisors (see below), whose sum is σ = 326409664. Its totient is φ = 41558400.

The previous prime is 125513611. The next prime is 125513629. The reversal of 125513616 is 616315521.

It is not an unprimeable number, because it can be changed into a prime (125513611) 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, 1411 + ... + 15906.

Almost surely, 2^125513616 is an apocalyptic number.

125513616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125513616 is an abundant number, since it is smaller than the sum of its proper divisors (200896048).

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

125513616 is a wasteful number, since it uses less digits than its factorization.

125513616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479 (or 17473 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 125513616 is about 11203.2859465426. The cubic root of 125513616 is about 500.6838855081.

The spelling of 125513616 in words is "one hundred twenty-five million, five hundred thirteen thousand, six hundred sixteen".