120443431 has 4 divisors (see below), whose sum is σ = 120704032. Its totient is φ = 120182832.

The previous prime is 120443429. The next prime is 120443441. The reversal of 120443431 is 134344021.

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 120443431 - 2¹ = 120443429 is a prime.

It is a super-2 number, since 2×120443431² = 29013240142103522, 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 (120443441) 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, 129606 + ... + 130531.

It is an arithmetic number, because the mean of its divisors is an integer number (30176008).

Almost surely, 2^120443431 is an apocalyptic number.

120443431 is a deficient number, since it is larger than the sum of its proper divisors (260601).

120443431 is an equidigital number, since it uses as much as digits as its factorization.

120443431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260600.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 120443431 is about 10974.6722502314. The cubic root of 120443431 is about 493.8492207585.

Adding to 120443431 its reverse (134344021), we get a palindrome (254787452).

The spelling of 120443431 in words is "one hundred twenty million, four hundred forty-three thousand, four hundred thirty-one".