124429620 has 72 divisors (see below), whose sum is σ = 405294624. Its totient is φ = 28440384.

The previous prime is 124429619. The next prime is 124429639. The reversal of 124429620 is 26924421.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18222 + ... + 24101.

It is an arithmetic number, because the mean of its divisors is an integer number (5629092).

Almost surely, 2^124429620 is an apocalyptic number.

124429620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124429620 is an abundant number, since it is smaller than the sum of its proper divisors (280865004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124429620 is a wasteful number, since it uses less digits than its factorization.

124429620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42349 (or 42340 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 124429620 is about 11154.8025531607. The cubic root of 124429620 is about 499.2383336512.

The spelling of 124429620 in words is "one hundred twenty-four million, four hundred twenty-nine thousand, six hundred twenty".