125378164 has 12 divisors (see below), whose sum is σ = 224763588. Its totient is φ = 61160000.

The previous prime is 125378161. The next prime is 125378171. The reversal of 125378164 is 461873521.

It can be written as a sum of positive squares in 2 ways, for example, as 72931600 + 52446564 = 8540^2 + 7242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125378161) 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, 382087 + ... + 382414.

It is an arithmetic number, because the mean of its divisors is an integer number (18730299).

Almost surely, 2^125378164 is an apocalyptic number.

It is an amenable number.

125378164 is a deficient number, since it is larger than the sum of its proper divisors (99385424).

125378164 is a wasteful number, since it uses less digits than its factorization.

125378164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764546 (or 764544 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 125378164 is about 11197.2391239984. The cubic root of 125378164 is about 500.5037110466.

The spelling of 125378164 in words is "one hundred twenty-five million, three hundred seventy-eight thousand, one hundred sixty-four".