125416780 has 24 divisors (see below), whose sum is σ = 265391280. Its totient is φ = 49782720.

The previous prime is 125416751. The next prime is 125416783. The reversal of 125416780 is 87614521.

It is not an unprimeable number, because it can be changed into a prime (125416783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21315 + ... + 26554.

It is an arithmetic number, because the mean of its divisors is an integer number (11057970).

Almost surely, 2^125416780 is an apocalyptic number.

125416780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125416780 is an abundant number, since it is smaller than the sum of its proper divisors (139974500).

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

125416780 is a wasteful number, since it uses less digits than its factorization.

125416780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48009 (or 48007 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 125416780 is about 11198.9633448815. The cubic root of 125416780 is about 500.5550901884. Note that the first 3 decimals are identical.

It can be divided in two parts, 12541 and 6780, that added together give a square (19321 = 139²).

The spelling of 125416780 in words is "one hundred twenty-five million, four hundred sixteen thousand, seven hundred eighty".