125143140 has 96 divisors (see below), whose sum is σ = 361267200. Its totient is φ = 32351616.

The previous prime is 125143129. The next prime is 125143157. The reversal of 125143140 is 41341521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561069 + ... + 561291.

It is an arithmetic number, because the mean of its divisors is an integer number (3763200).

Almost surely, 2^125143140 is an apocalyptic number.

125143140 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 125143140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180633600).

125143140 is an abundant number, since it is smaller than the sum of its proper divisors (236124060).

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

125143140 is a wasteful number, since it uses less digits than its factorization.

125143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 125143140 is about 11186.7394713563. The cubic root of 125143140 is about 500.1907805297.

Adding to 125143140 its reverse (41341521), we get a palindrome (166484661).

The spelling of 125143140 in words is "one hundred twenty-five million, one hundred forty-three thousand, one hundred forty".