125615349 has 24 divisors (see below), whose sum is σ = 189850752. Its totient is φ = 79951680.

The previous prime is 125615323. The next prime is 125615359. The reversal of 125615349 is 943516521.

125615349 is a `hidden beast` number, since 1 + 2 + 5 + 615 + 34 + 9 = 666.

It is not a de Polignac number, because 125615349 - 2⁸ = 125615093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125615309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13722 + ... + 20964.

It is an arithmetic number, because the mean of its divisors is an integer number (7910448).

Almost surely, 2^125615349 is an apocalyptic number.

It is an amenable number.

125615349 is a deficient number, since it is larger than the sum of its proper divisors (64235403).

125615349 is a wasteful number, since it uses less digits than its factorization.

125615349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337 (or 7334 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 125615349 is about 11207.8253466049. The cubic root of 125615349 is about 500.8191226766.

The spelling of 125615349 in words is "one hundred twenty-five million, six hundred fifteen thousand, three hundred forty-nine".