120442131 has 6 divisors (see below), whose sum is σ = 173971980. Its totient is φ = 80294748.

The previous prime is 120442111. The next prime is 120442171. The reversal of 120442131 is 131244021.

It is not a de Polignac number, because 120442131 - 2⁹ = 120441619 is a prime.

It is a super-2 number, since 2×120442131² = 29012613839642322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120442111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6691221 + ... + 6691238.

It is an arithmetic number, because the mean of its divisors is an integer number (28995330).

Almost surely, 2^120442131 is an apocalyptic number.

120442131 is a deficient number, since it is larger than the sum of its proper divisors (53529849).

120442131 is a wasteful number, since it uses less digits than its factorization.

120442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13382465 (or 13382462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 120442131 is about 10974.6130227904. The cubic root of 120442131 is about 493.8474439734.

Adding to 120442131 its reverse (131244021), we get a palindrome (251686152).

The spelling of 120442131 in words is "one hundred twenty million, four hundred forty-two thousand, one hundred thirty-one".