124202988 has 144 divisors (see below), whose sum is σ = 399200256. Its totient is φ = 31674240.

The previous prime is 124202987. The next prime is 124202989. The reversal of 124202988 is 889202421.

It is an interprime number because it is at equal distance from previous prime (124202987) and next prime (124202989).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (124202983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100945 + ... + 102167.

It is an arithmetic number, because the mean of its divisors is an integer number (2772224).

Almost surely, 2^124202988 is an apocalyptic number.

124202988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124202988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199600128).

124202988 is an abundant number, since it is smaller than the sum of its proper divisors (274997268).

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

124202988 is a wasteful number, since it uses less digits than its factorization.

124202988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 124202988 is about 11144.6394288914. The cubic root of 124202988 is about 498.9350507097.

The spelling of 124202988 in words is "one hundred twenty-four million, two hundred two thousand, nine hundred eighty-eight".