124032820 has 12 divisors (see below), whose sum is σ = 260468964. Its totient is φ = 49613120.

The previous prime is 124032791. The next prime is 124032827. The reversal of 124032820 is 28230421.

It can be written as a sum of positive squares in 2 ways, for example, as 38987536 + 85045284 = 6244^2 + 9222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124032791 and 124032800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124032827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100801 + ... + 3100840.

It is an arithmetic number, because the mean of its divisors is an integer number (21705747).

Almost surely, 2^124032820 is an apocalyptic number.

124032820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124032820 is an abundant number, since it is smaller than the sum of its proper divisors (136436144).

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

124032820 is a wasteful number, since it uses less digits than its factorization.

124032820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201650 (or 6201648 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 124032820 is about 11137.0022896648. The cubic root of 124032820 is about 498.7070862967.

The spelling of 124032820 in words is "one hundred twenty-four million, thirty-two thousand, eight hundred twenty".