120042131 has 8 divisors (see below), whose sum is σ = 131824128. Its totient is φ = 108405000.

The previous prime is 120042127. The next prime is 120042161. The reversal of 120042131 is 131240021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120042131 - 2² = 120042127 is a prime.

It is a super-2 number, since 2×120042131² = 28820226430042322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120042101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34475 + ... + 37796.

It is an arithmetic number, because the mean of its divisors is an integer number (16478016).

Almost surely, 2^120042131 is an apocalyptic number.

120042131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120042131 is a deficient number, since it is larger than the sum of its proper divisors (11781997).

120042131 is a wasteful number, since it uses less digits than its factorization.

120042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72433.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120042131 is about 10956.3739896008. The cubic root of 120042131 is about 493.3001325457.

Adding to 120042131 its reverse (131240021), we get a palindrome (251282152).

The spelling of 120042131 in words is "one hundred twenty million, forty-two thousand, one hundred thirty-one".