125242156 has 12 divisors (see below), whose sum is σ = 236033392. Its totient is φ = 57804048.

The previous prime is 125242147. The next prime is 125242171. The reversal of 125242156 is 651242521.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204200 + ... + 1204303.

Almost surely, 2^125242156 is an apocalyptic number.

It is an amenable number.

125242156 is a deficient number, since it is larger than the sum of its proper divisors (110791236).

125242156 is a wasteful number, since it uses less digits than its factorization.

125242156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408520 (or 2408518 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 125242156 is about 11191.1641932374. The cubic root of 125242156 is about 500.3226663947.

Adding to 125242156 its reverse (651242521), we get a palindrome (776484677).

The spelling of 125242156 in words is "one hundred twenty-five million, two hundred forty-two thousand, one hundred fifty-six".