125572736 has 16 divisors (see below), whose sum is σ = 250164690. Its totient is φ = 62786304.

The previous prime is 125572717. The next prime is 125572753. The reversal of 125572736 is 637275521.

It can be written as a sum of positive squares in only one way, i.e., 69622336 + 55950400 = 8344^2 + 7480^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 125572736.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490391 + ... + 490646.

Almost surely, 2^125572736 is an apocalyptic number.

125572736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125572736 is a deficient number, since it is larger than the sum of its proper divisors (124591954).

125572736 is an frugal number, since it uses more digits than its factorization.

125572736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981051 (or 981039 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 125572736 is about 11205.9241475213. The cubic root of 125572736 is about 500.7624846433.

The spelling of 125572736 in words is "one hundred twenty-five million, five hundred seventy-two thousand, seven hundred thirty-six".