125012424140 has 24 divisors (see below), whose sum is σ = 262535333760. Its totient is φ = 50003209088.

The previous prime is 125012424139. The next prime is 125012424161. The reversal of 125012424140 is 41424210521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576776 + ... + 763344.

It is an arithmetic number, because the mean of its divisors is an integer number (10938972240).

Almost surely, 2^125012424140 is an apocalyptic number.

125012424140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125012424140 is an abundant number, since it is smaller than the sum of its proper divisors (137522909620).

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

125012424140 is a wasteful number, since it uses less digits than its factorization.

125012424140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220081 (or 220079 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 125012424140 its reverse (41424210521), we get a palindrome (166436634661).

The spelling of 125012424140 in words is "one hundred twenty-five billion, twelve million, four hundred twenty-four thousand, one hundred forty".