125122823784 has 144 divisors (see below), whose sum is σ = 394441650720. Its totient is φ = 35727531840.

The previous prime is 125122823759. The next prime is 125122823807. The reversal of 125122823784 is 487328221521.

125122823784 is a `hidden beast` number, since 1 + 2 + 51 + 228 + 2 + 378 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6280479 + ... + 6300369.

It is an arithmetic number, because the mean of its divisors is an integer number (2739178130).

Almost surely, 2^125122823784 is an apocalyptic number.

125122823784 is a gapful number since it is divisible by the number (14) 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 125122823784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197220825360).

125122823784 is an abundant number, since it is smaller than the sum of its proper divisors (269318826936).

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

125122823784 is a wasteful number, since it uses less digits than its factorization.

125122823784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700 (or 21686 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 125122823784 in words is "one hundred twenty-five billion, one hundred twenty-two million, eight hundred twenty-three thousand, seven hundred eighty-four".