120202142 has 4 divisors (see below), whose sum is σ = 180303216. Its totient is φ = 60101070.

The previous prime is 120202141. The next prime is 120202153. The reversal of 120202142 is 241202021.

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 (120202141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30050534 + ... + 30050537.

It is an arithmetic number, because the mean of its divisors is an integer number (45075804).

Almost surely, 2^120202142 is an apocalyptic number.

120202142 is a deficient number, since it is larger than the sum of its proper divisors (60101074).

120202142 is an equidigital number, since it uses as much as digits as its factorization.

120202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60101073.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 120202142 is about 10963.6737456019. The cubic root of 120202142 is about 493.5192178540.

Adding to 120202142 its reverse (241202021), we get a palindrome (361404163).

The spelling of 120202142 in words is "one hundred twenty million, two hundred two thousand, one hundred forty-two".