142125920 has 24 divisors (see below), whose sum is σ = 335772864. Its totient is φ = 56850304.

The previous prime is 142125869. The next prime is 142125937. The reversal of 142125920 is 29521241.

It is a self number, because there is not a number n which added to its sum of digits gives 142125920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443984 + ... + 444303.

It is an arithmetic number, because the mean of its divisors is an integer number (13990536).

Almost surely, 2^142125920 is an apocalyptic number.

142125920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142125920 is an abundant number, since it is smaller than the sum of its proper divisors (193646944).

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

142125920 is an equidigital number, since it uses as much as digits as its factorization.

142125920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888302 (or 888294 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 142125920 is about 11921.6576028671. The cubic root of 142125920 is about 521.8645097871.

The spelling of 142125920 in words is "one hundred forty-two million, one hundred twenty-five thousand, nine hundred twenty".