124982172 has 72 divisors (see below), whose sum is σ = 364853216. Its totient is φ = 35334144.

The previous prime is 124982159. The next prime is 124982183. The reversal of 124982172 is 271289421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21888 + ... + 27000.

Almost surely, 2^124982172 is an apocalyptic number.

124982172 is a gapful number since it is divisible by the number (12) 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 124982172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182426608).

124982172 is an abundant number, since it is smaller than the sum of its proper divisors (239871044).

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

124982172 is a wasteful number, since it uses less digits than its factorization.

124982172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5222 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 124982172 is about 11179.5425666706. The cubic root of 124982172 is about 499.9762282032.

The spelling of 124982172 in words is "one hundred twenty-four million, nine hundred eighty-two thousand, one hundred seventy-two".