125700145700 has 18 divisors (see below), whose sum is σ = 272769316386. Its totient is φ = 50280058240.

The previous prime is 125700145699. The next prime is 125700145709. The reversal of 125700145700 is 7541007521.

It can be written as a sum of positive squares in 3 ways, for example, as 1948163044 + 123751982656 = 44138^2 + 351784^2 .

It is not an unprimeable number, because it can be changed into a prime (125700145709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628500629 + ... + 628500828.

Almost surely, 2^125700145700 is an apocalyptic number.

125700145700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125700145700 is an abundant number, since it is smaller than the sum of its proper divisors (147069170686).

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

125700145700 is a wasteful number, since it uses less digits than its factorization.

125700145700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257001471 (or 1257001464 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The spelling of 125700145700 in words is "one hundred twenty-five billion, seven hundred million, one hundred forty-five thousand, seven hundred".