124228725 has 12 divisors (see below), whose sum is σ = 205391616. Its totient is φ = 66255280.

The previous prime is 124228703. The next prime is 124228739. The reversal of 124228725 is 527822421.

It is not a de Polignac number, because 124228725 - 2⁵ = 124228693 is a prime.

It is a super-2 number, since 2×124228725² = 30865552230251250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828117 + ... + 828266.

It is an arithmetic number, because the mean of its divisors is an integer number (17115968).

Almost surely, 2^124228725 is an apocalyptic number.

124228725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124228725 is a deficient number, since it is larger than the sum of its proper divisors (81162891).

124228725 is a wasteful number, since it uses less digits than its factorization.

124228725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656396 (or 1656391 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 124228725 is about 11145.7940497750. The cubic root of 124228725 is about 498.9695109771.

The spelling of 124228725 in words is "one hundred twenty-four million, two hundred twenty-eight thousand, seven hundred twenty-five".