124142928 has 160 divisors (see below), whose sum is σ = 400141056. Its totient is φ = 32292864.

The previous prime is 124142927. The next prime is 124142929. The reversal of 124142928 is 829241421.

It is an interprime number because it is at equal distance from previous prime (124142927) and next prime (124142929).

It is a super-2 number, since 2×124142928² = 30822933144826368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124142923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423550 + ... + 423842.

Almost surely, 2^124142928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124142928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200070528).

124142928 is an abundant number, since it is smaller than the sum of its proper divisors (275998128).

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

124142928 is a wasteful number, since it uses less digits than its factorization.

124142928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 124142928 is about 11141.9445340569. The cubic root of 124142928 is about 498.8546155257.

The spelling of 124142928 in words is "one hundred twenty-four million, one hundred forty-two thousand, nine hundred twenty-eight".