125424140 has 48 divisors (see below), whose sum is σ = 275063040. Its totient is φ = 47984640.

The previous prime is 125424137. The next prime is 125424157. The reversal of 125424140 is 41424521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54044 + ... + 56316.

It is an arithmetic number, because the mean of its divisors is an integer number (5730480).

Almost surely, 2^125424140 is an apocalyptic number.

125424140 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 125424140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137531520).

125424140 is an abundant number, since it is smaller than the sum of its proper divisors (149638900).

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

125424140 is a wasteful number, since it uses less digits than its factorization.

125424140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 125424140 is about 11199.2919419042. The cubic root of 125424140 is about 500.5648815773.

Adding to 125424140 its reverse (41424521), we get a palindrome (166848661).

The spelling of 125424140 in words is "one hundred twenty-five million, four hundred twenty-four thousand, one hundred forty".