120204131 has 4 divisors (see below), whose sum is σ = 120833664. Its totient is φ = 119574600.

The previous prime is 120204061. The next prime is 120204137. The reversal of 120204131 is 131402021.

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

It is a cyclic number.

It is not a de Polignac number, because 120204131 - 2¹⁴ = 120187747 is a prime.

It is a super-2 number, since 2×120204131² = 28898066218930322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120204137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314480 + ... + 314861.

It is an arithmetic number, because the mean of its divisors is an integer number (30208416).

Almost surely, 2^120204131 is an apocalyptic number.

120204131 is a deficient number, since it is larger than the sum of its proper divisors (629533).

120204131 is an equidigital number, since it uses as much as digits as its factorization.

120204131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629532.

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

The square root of 120204131 is about 10963.7644538726. The cubic root of 120204131 is about 493.5219399472.

Adding to 120204131 its reverse (131402021), we get a palindrome (251606152).

The spelling of 120204131 in words is "one hundred twenty million, two hundred four thousand, one hundred thirty-one".