120451253142 has 48 divisors (see below), whose sum is σ = 266698877760. Its totient is φ = 36237756720.

The previous prime is 120451253129. The next prime is 120451253173. The reversal of 120451253142 is 241352154021.

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 23 ways as a sum of consecutive naturals, for example, 495888 + ... + 697715.

It is an arithmetic number, because the mean of its divisors is an integer number (5556226620).

Almost surely, 2^120451253142 is an apocalyptic number.

120451253142 is an abundant number, since it is smaller than the sum of its proper divisors (146247624618).

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

120451253142 is a wasteful number, since it uses less digits than its factorization.

120451253142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193769 (or 1193758 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 120451253142 in words is "one hundred twenty billion, four hundred fifty-one million, two hundred fifty-three thousand, one hundred forty-two".