120512142 has 24 divisors (see below), whose sum is σ = 266038344. Its totient is φ = 39412464.

The previous prime is 120512137. The next prime is 120512173. The reversal of 120512142 is 241215021.

120512142 is a `hidden beast` number, since 12 + 0 + 512 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62208 + ... + 64115.

It is an arithmetic number, because the mean of its divisors is an integer number (11084931).

Almost surely, 2^120512142 is an apocalyptic number.

120512142 is an abundant number, since it is smaller than the sum of its proper divisors (145526202).

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

120512142 is a wasteful number, since it uses less digits than its factorization.

120512142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126384 (or 126381 counting only the distinct ones).

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

The square root of 120512142 is about 10977.8022390641. The cubic root of 120512142 is about 493.9431138635.

Adding to 120512142 its reverse (241215021), we get a palindrome (361727163).

The spelling of 120512142 in words is "one hundred twenty million, five hundred twelve thousand, one hundred forty-two".