125120142 has 48 divisors (see below), whose sum is σ = 310538592. Its totient is φ = 35665920.

The previous prime is 125120137. The next prime is 125120167. The reversal of 125120142 is 241021521.

125120142 is a `hidden beast` number, since 12 + 512 + 0 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71842 + ... + 73562.

It is an arithmetic number, because the mean of its divisors is an integer number (6469554).

Almost surely, 2^125120142 is an apocalyptic number.

125120142 is an abundant number, since it is smaller than the sum of its proper divisors (185418450).

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

125120142 is a wasteful number, since it uses less digits than its factorization.

125120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 125120142 is about 11185.7115106729. The cubic root of 125120142 is about 500.1601380395.

Adding to 125120142 its reverse (241021521), we get a palindrome (366141663).

The spelling of 125120142 in words is "one hundred twenty-five million, one hundred twenty thousand, one hundred forty-two".