120722142 has 32 divisors (see below), whose sum is σ = 246441600. Its totient is φ = 39413088.

The previous prime is 120722093. The next prime is 120722149. The reversal of 120722142 is 241227021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120722149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140109 + ... + 140967.

It is an arithmetic number, because the mean of its divisors is an integer number (7701300).

Almost surely, 2^120722142 is an apocalyptic number.

120722142 is an abundant number, since it is smaller than the sum of its proper divisors (125719458).

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

120722142 is a wasteful number, since it uses less digits than its factorization.

120722142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 120722142 is about 10987.3628319083. The cubic root of 120722142 is about 494.2298563708.

Adding to 120722142 its reverse (241227021), we get a palindrome (361949163).

The spelling of 120722142 in words is "one hundred twenty million, seven hundred twenty-two thousand, one hundred forty-two".