120201431 has 4 divisors (see below), whose sum is σ = 137373072. Its totient is φ = 103029792.

The previous prime is 120201409. The next prime is 120201437. The reversal of 120201431 is 134102021.

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 120201431 - 2¹⁰ = 120200407 is a prime.

It is a super-2 number, since 2×120201431² = 28896768028895522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201437) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8585810 + ... + 8585823.

It is an arithmetic number, because the mean of its divisors is an integer number (34343268).

Almost surely, 2^120201431 is an apocalyptic number.

120201431 is a deficient number, since it is larger than the sum of its proper divisors (17171641).

120201431 is an equidigital number, since it uses as much as digits as its factorization.

120201431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171640.

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

The square root of 120201431 is about 10963.6413202914. The cubic root of 120201431 is about 493.5182447908.

Adding to 120201431 its reverse (134102021), we get a palindrome (254303452).

The spelling of 120201431 in words is "one hundred twenty million, two hundred one thousand, four hundred thirty-one".