125866416 has 40 divisors (see below), whose sum is σ = 350168560. Its totient is φ = 38727936.

The previous prime is 125866387. The next prime is 125866427. The reversal of 125866416 is 614668521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100231 + ... + 101478.

It is an arithmetic number, because the mean of its divisors is an integer number (8754214).

Almost surely, 2^125866416 is an apocalyptic number.

125866416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125866416 is an abundant number, since it is smaller than the sum of its proper divisors (224302144).

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

125866416 is a wasteful number, since it uses less digits than its factorization.

125866416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201733 (or 201727 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 125866416 is about 11219.0202780813. The cubic root of 125866416 is about 501.1525624913.

The spelling of 125866416 in words is "one hundred twenty-five million, eight hundred sixty-six thousand, four hundred sixteen".