124861938 has 32 divisors (see below), whose sum is σ = 257976576. Its totient is φ = 40263888.

The previous prime is 124861931. The next prime is 124861969. The reversal of 124861938 is 839168421.

It is a super-2 number, since 2×124861938² = 31181007122231688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124861938.

It is not an unprimeable number, because it can be changed into a prime (124861931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25345 + ... + 29867.

It is an arithmetic number, because the mean of its divisors is an integer number (8061768).

Almost surely, 2^124861938 is an apocalyptic number.

124861938 is an abundant number, since it is smaller than the sum of its proper divisors (133114638).

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

124861938 is a wasteful number, since it uses less digits than its factorization.

124861938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678.

The product of its digits is 82944, while the sum is 42.

The square root of 124861938 is about 11174.1638613366. The cubic root of 124861938 is about 499.8158495189.

The spelling of 124861938 in words is "one hundred twenty-four million, eight hundred sixty-one thousand, nine hundred thirty-eight".