124123980 has 48 divisors (see below), whose sum is σ = 348251904. Its totient is φ = 33032640.

The previous prime is 124123957. The next prime is 124123981. The reversal of 124123980 is 89321421.

It is a super-2 number, since 2×124123980² = 30813524822080800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (124123981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32449 + ... + 36071.

It is an arithmetic number, because the mean of its divisors is an integer number (7255248).

Almost surely, 2^124123980 is an apocalyptic number.

124123980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124123980 is an abundant number, since it is smaller than the sum of its proper divisors (224127924).

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

124123980 is a wasteful number, since it uses less digits than its factorization.

124123980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 124123980 is about 11141.0942011994. The cubic root of 124123980 is about 498.8292340874.

The spelling of 124123980 in words is "one hundred twenty-four million, one hundred twenty-three thousand, nine hundred eighty".