125794816 has 40 divisors (see below), whose sum is σ = 287258400. Its totient is φ = 53910528.

The previous prime is 125794813. The next prime is 125794831. The reversal of 125794816 is 618497521.

It is not an unprimeable number, because it can be changed into a prime (125794813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13966 + ... + 21133.

It is an arithmetic number, because the mean of its divisors is an integer number (7181460).

Almost surely, 2^125794816 is an apocalyptic number.

125794816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125794816 is an abundant number, since it is smaller than the sum of its proper divisors (161463584).

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

125794816 is an frugal number, since it uses more digits than its factorization.

125794816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35124 (or 35108 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 125794816 is about 11215.8288146708. The cubic root of 125794816 is about 501.0575164079.

The spelling of 125794816 in words is "one hundred twenty-five million, seven hundred ninety-four thousand, eight hundred sixteen".