125973140 has 12 divisors (see below), whose sum is σ = 264543636. Its totient is φ = 50389248.

The previous prime is 125973131. The next prime is 125973149. The reversal of 125973140 is 41379521.

It is an interprime number because it is at equal distance from previous prime (125973131) and next prime (125973149).

It can be written as a sum of positive squares in 2 ways, for example, as 39891856 + 86081284 = 6316^2 + 9278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125973097 and 125973106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125973149) 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 3 ways as a sum of consecutive naturals, for example, 3149309 + ... + 3149348.

It is an arithmetic number, because the mean of its divisors is an integer number (22045303).

Almost surely, 2^125973140 is an apocalyptic number.

125973140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125973140 is an abundant number, since it is smaller than the sum of its proper divisors (138570496).

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

125973140 is a wasteful number, since it uses less digits than its factorization.

125973140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298666 (or 6298664 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 125973140 is about 11223.7756570594. The cubic root of 125973140 is about 501.2941673715.

The spelling of 125973140 in words is "one hundred twenty-five million, nine hundred seventy-three thousand, one hundred forty".