124428133700 has 144 divisors (see below), whose sum is σ = 307210337280. Its totient is φ = 43414049280.

The previous prime is 124428133673. The next prime is 124428133723. The reversal of 124428133700 is 7331824421.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1736789 + ... + 1807011.

It is an arithmetic number, because the mean of its divisors is an integer number (2133405120).

Almost surely, 2^124428133700 is an apocalyptic number.

124428133700 is a gapful number since it is divisible by the number (10) 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 124428133700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153605168640).

124428133700 is an abundant number, since it is smaller than the sum of its proper divisors (182782203580).

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

124428133700 is a wasteful number, since it uses less digits than its factorization.

124428133700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70326 (or 70319 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 124428133700 in words is "one hundred twenty-four billion, four hundred twenty-eight million, one hundred thirty-three thousand, seven hundred".