125165940 has 48 divisors (see below), whose sum is σ = 353045952. Its totient is φ = 33131776.

The previous prime is 125165933. The next prime is 125165947. The reversal of 125165940 is 49561521.

It is an interprime number because it is at equal distance from previous prime (125165933) and next prime (125165947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125165947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (7355124).

Almost surely, 2^125165940 is an apocalyptic number.

125165940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125165940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176522976).

125165940 is an abundant number, since it is smaller than the sum of its proper divisors (227880012).

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

125165940 is a wasteful number, since it uses less digits than its factorization.

125165940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15376 (or 15374 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 125165940 is about 11187.7584886339. The cubic root of 125165940 is about 500.2211554994.

The spelling of 125165940 in words is "one hundred twenty-five million, one hundred sixty-five thousand, nine hundred forty".