124100928 has 126 divisors (see below), whose sum is σ = 413882586. Its totient is φ = 35449344.

The previous prime is 124100917. The next prime is 124100941. The reversal of 124100928 is 829001421.

It can be written as a sum of positive squares in only one way, i.e., 105021504 + 19079424 = 10248^2 + 4368^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is a super-2 number, since 2×124100928² = 30802080660922368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26026 + ... + 30422.

Almost surely, 2^124100928 is an apocalyptic number.

124100928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124100928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206941293).

124100928 is an abundant number, since it is smaller than the sum of its proper divisors (289781658).

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

124100928 is a wasteful number, since it uses less digits than its factorization.

124100928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429 (or 4409 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 124100928 is about 11140.0596048675. The cubic root of 124100928 is about 498.7983517297.

The spelling of 124100928 in words is "one hundred twenty-four million, one hundred thousand, nine hundred twenty-eight".