125265940 has 24 divisors (see below), whose sum is σ = 267373512. Its totient is φ = 49284480.

The previous prime is 125265929. The next prime is 125265949. The reversal of 125265940 is 49562521.

It is a happy number.

125265940 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 124277904 = 994^2 + 11148^2 .

125265940 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 125265896 and 125265905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125265949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50119 + ... + 52558.

It is an arithmetic number, because the mean of its divisors is an integer number (11140563).

Almost surely, 2^125265940 is an apocalyptic number.

125265940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125265940 is an abundant number, since it is smaller than the sum of its proper divisors (142107572).

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

125265940 is a wasteful number, since it uses less digits than its factorization.

125265940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102747 (or 102745 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 125265940 is about 11192.2267668235. The cubic root of 125265940 is about 500.3543355001.

The spelling of 125265940 in words is "one hundred twenty-five million, two hundred sixty-five thousand, nine hundred forty".