125140180 has 96 divisors (see below), whose sum is σ = 301916160. Its totient is φ = 43152000.

The previous prime is 125140163. The next prime is 125140181. The reversal of 125140180 is 81041521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125140181) 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 31 ways as a sum of consecutive naturals, for example, 402225 + ... + 402535.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^125140180 is an apocalyptic number.

125140180 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 125140180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150958080).

125140180 is an abundant number, since it is smaller than the sum of its proper divisors (176775980).

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

125140180 is a wasteful number, since it uses less digits than its factorization.

125140180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 125140180 is about 11186.6071710774. The cubic root of 125140180 is about 500.1868368420.

The spelling of 125140180 in words is "one hundred twenty-five million, one hundred forty thousand, one hundred eighty".