125740900 has 18 divisors (see below), whose sum is σ = 272857970. Its totient is φ = 50296320.

The previous prime is 125740889. The next prime is 125740907. The reversal of 125740900 is 9047521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 166464 + 125574436 = 408^2 + 11206^2 .

It is not an unprimeable number, because it can be changed into a prime (125740907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628605 + ... + 628804.

Almost surely, 2^125740900 is an apocalyptic number.

125740900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125740900 is an abundant number, since it is smaller than the sum of its proper divisors (147117070).

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

125740900 is a wasteful number, since it uses less digits than its factorization.

125740900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257423 (or 1257416 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 125740900 is about 11213.4249897166. The cubic root of 125740900 is about 500.9859213072.

The spelling of 125740900 in words is "one hundred twenty-five million, seven hundred forty thousand, nine hundred".