120222142 has 4 divisors (see below), whose sum is σ = 180333216. Its totient is φ = 60111070.

The previous prime is 120222133. The next prime is 120222149. The reversal of 120222142 is 241222021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055534 + ... + 30055537.

It is an arithmetic number, because the mean of its divisors is an integer number (45083304).

Almost surely, 2^120222142 is an apocalyptic number.

120222142 is a deficient number, since it is larger than the sum of its proper divisors (60111074).

120222142 is an equidigital number, since it uses as much as digits as its factorization.

120222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60111073.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120222142 is about 10964.5858106907. The cubic root of 120222142 is about 493.5465879624.

Adding to 120222142 its reverse (241222021), we get a palindrome (361444163).

The spelling of 120222142 in words is "one hundred twenty million, two hundred twenty-two thousand, one hundred forty-two".