125499387 has 32 divisors (see below), whose sum is σ = 185988096. Its totient is φ = 74793600.

The previous prime is 125499383. The next prime is 125499397. The reversal of 125499387 is 783994521.

It is not a de Polignac number, because 125499387 - 2² = 125499383 is a prime.

It is a super-2 number, since 2×125499387² = 31500192274751538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125499383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168538 + ... + 169280.

It is an arithmetic number, because the mean of its divisors is an integer number (5812128).

Almost surely, 2^125499387 is an apocalyptic number.

125499387 is a deficient number, since it is larger than the sum of its proper divisors (60488709).

125499387 is a wasteful number, since it uses less digits than its factorization.

125499387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 544320, while the sum is 48.

The square root of 125499387 is about 11202.6508916417. The cubic root of 125499387 is about 500.6649645855.

The spelling of 125499387 in words is "one hundred twenty-five million, four hundred ninety-nine thousand, three hundred eighty-seven".