125607400 has 24 divisors (see below), whose sum is σ = 292037670. Its totient is φ = 50242880.

The previous prime is 125607389. The next prime is 125607409. The reversal of 125607400 is 4706521.

It can be written as a sum of positive squares in 3 ways, for example, as 64673764 + 60933636 = 8042^2 + 7806^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (125607409) 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, 313819 + ... + 314218.

Almost surely, 2^125607400 is an apocalyptic number.

125607400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125607400 is an abundant number, since it is smaller than the sum of its proper divisors (166430270).

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

125607400 is a wasteful number, since it uses less digits than its factorization.

125607400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628053 (or 628044 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 125607400 is about 11207.4707226921. The cubic root of 125607400 is about 500.8085584284.

The spelling of 125607400 in words is "one hundred twenty-five million, six hundred seven thousand, four hundred".