124845725 has 24 divisors (see below), whose sum is σ = 167132160. Its totient is φ = 92227520.

The previous prime is 124845719. The next prime is 124845737. The reversal of 124845725 is 527548421.

It is not a de Polignac number, because 124845725 - 2⁴ = 124845709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12932 + ... + 20418.

It is an arithmetic number, because the mean of its divisors is an integer number (6963840).

Almost surely, 2^124845725 is an apocalyptic number.

It is an amenable number.

124845725 is a deficient number, since it is larger than the sum of its proper divisors (42286435).

124845725 is a wasteful number, since it uses less digits than its factorization.

124845725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7549 (or 7544 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 124845725 is about 11173.4383696336. The cubic root of 124845725 is about 499.7942153169.

The spelling of 124845725 in words is "one hundred twenty-four million, eight hundred forty-five thousand, seven hundred twenty-five".