124672220 has 24 divisors (see below), whose sum is σ = 277213104. Its totient is φ = 46935296.

The previous prime is 124672211. The next prime is 124672231. The reversal of 124672220 is 22276421.

It is a self number, because there is not a number n which added to its sum of digits gives 124672220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183002 + ... + 183681.

It is an arithmetic number, because the mean of its divisors is an integer number (11550546).

Almost surely, 2^124672220 is an apocalyptic number.

124672220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124672220 is an abundant number, since it is smaller than the sum of its proper divisors (152540884).

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

124672220 is a wasteful number, since it uses less digits than its factorization.

124672220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366709 (or 366707 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 124672220 is about 11165.6714979440. The cubic root of 124672220 is about 499.5625774346.

The spelling of 124672220 in words is "one hundred twenty-four million, six hundred seventy-two thousand, two hundred twenty".