124940838 has 32 divisors (see below), whose sum is σ = 275311872. Its totient is φ = 37484000.

The previous prime is 124940833. The next prime is 124940909. The reversal of 124940838 is 838049421.

It is a super-2 number, since 2×124940838² = 31220426000284488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124940796 and 124940805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124940831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (8603496).

Almost surely, 2^124940838 is an apocalyptic number.

124940838 is an abundant number, since it is smaller than the sum of its proper divisors (150371034).

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

124940838 is a wasteful number, since it uses less digits than its factorization.

124940838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 124940838 is about 11177.6937692889. The cubic root of 124940838 is about 499.9211048851.

The spelling of 124940838 in words is "one hundred twenty-four million, nine hundred forty thousand, eight hundred thirty-eight".