120431242 has 4 divisors (see below), whose sum is σ = 180646866. Its totient is φ = 60215620.

The previous prime is 120431237. The next prime is 120431273. The reversal of 120431242 is 242134021.

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

It can be written as a sum of positive squares in only one way, i.e., 76195441 + 44235801 = 8729^2 + 6651^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30107809 + ... + 30107812.

Almost surely, 2^120431242 is an apocalyptic number.

120431242 is a deficient number, since it is larger than the sum of its proper divisors (60215624).

120431242 is an equidigital number, since it uses as much as digits as its factorization.

120431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60215623.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120431242 is about 10974.1169120800. The cubic root of 120431242 is about 493.8325608456.

Adding to 120431242 its reverse (242134021), we get a palindrome (362565263).

The spelling of 120431242 in words is "one hundred twenty million, four hundred thirty-one thousand, two hundred forty-two".