124190220 has 96 divisors (see below), whose sum is σ = 433552896. Its totient is φ = 25804800.

The previous prime is 124190203. The next prime is 124190237. The reversal of 124190220 is 22091421.

It is an interprime number because it is at equal distance from previous prime (124190203) and next prime (124190237).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8821 + ... + 18060.

It is an arithmetic number, because the mean of its divisors is an integer number (4516176).

Almost surely, 2^124190220 is an apocalyptic number.

124190220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124190220 is an abundant number, since it is smaller than the sum of its proper divisors (309362676).

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

124190220 is a wasteful number, since it uses less digits than its factorization.

124190220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26911 (or 26909 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 124190220 is about 11144.0665827157. The cubic root of 124190220 is about 498.9179533727.

The spelling of 124190220 in words is "one hundred twenty-four million, one hundred ninety thousand, two hundred twenty".