124989280 has 48 divisors (see below), whose sum is σ = 318006864. Its totient is φ = 46149120.

The previous prime is 124989269. The next prime is 124989283. The reversal of 124989280 is 82989421.

It is a super-2 number, since 2×124989280² = 31244640229836800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124989283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27966 + ... + 32125.

It is an arithmetic number, because the mean of its divisors is an integer number (6625143).

Almost surely, 2^124989280 is an apocalyptic number.

124989280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124989280 is an abundant number, since it is smaller than the sum of its proper divisors (193017584).

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

124989280 is a wasteful number, since it uses less digits than its factorization.

124989280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60119 (or 60111 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 124989280 is about 11179.8604642455. The cubic root of 124989280 is about 499.9857062580.

The spelling of 124989280 in words is "one hundred twenty-four million, nine hundred eighty-nine thousand, two hundred eighty".