125915764 has 24 divisors (see below), whose sum is σ = 237875400. Its totient is φ = 57974784.

The previous prime is 125915761. The next prime is 125915771. The reversal of 125915764 is 467519521.

It can be written as a sum of positive squares in 4 ways, for example, as 32947600 + 92968164 = 5740^2 + 9642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125915761) 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, 20652 + ... + 26044.

It is an arithmetic number, because the mean of its divisors is an integer number (9911475).

Almost surely, 2^125915764 is an apocalyptic number.

It is an amenable number.

125915764 is a deficient number, since it is larger than the sum of its proper divisors (111959636).

125915764 is a wasteful number, since it uses less digits than its factorization.

125915764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859 (or 5857 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 125915764 is about 11221.2193633312. The cubic root of 125915764 is about 501.2180489705.

The spelling of 125915764 in words is "one hundred twenty-five million, nine hundred fifteen thousand, seven hundred sixty-four".