125621152 has 24 divisors (see below), whose sum is σ = 250804512. Its totient is φ = 61924800.

The previous prime is 125621149. The next prime is 125621173. The reversal of 125621152 is 251126521.

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, 25374 + ... + 29917.

It is an arithmetic number, because the mean of its divisors is an integer number (10450188).

Almost surely, 2^125621152 is an apocalyptic number.

It is an amenable number.

125621152 is a deficient number, since it is larger than the sum of its proper divisors (125183360).

125621152 is an equidigital number, since it uses as much as digits as its factorization.

125621152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55372 (or 55364 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 125621152 is about 11208.0842252367. The cubic root of 125621152 is about 500.8268346021.

Adding to 125621152 its reverse (251126521), we get a palindrome (376747673).

The spelling of 125621152 in words is "one hundred twenty-five million, six hundred twenty-one thousand, one hundred fifty-two".