120875431 has 4 divisors (see below), whose sum is σ = 120915864. Its totient is φ = 120835000.

The previous prime is 120875429. The next prime is 120875453. The reversal of 120875431 is 134578021.

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 120875431 - 2¹ = 120875429 is a prime.

It is a super-2 number, since 2×120875431² = 29221739638871522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120875393 and 120875402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120879431) 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, 15340 + ... + 21841.

It is an arithmetic number, because the mean of its divisors is an integer number (30228966).

Almost surely, 2^120875431 is an apocalyptic number.

120875431 is a deficient number, since it is larger than the sum of its proper divisors (40433).

120875431 is an equidigital number, since it uses as much as digits as its factorization.

120875431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40432.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 120875431 is about 10994.3363146667. The cubic root of 120875431 is about 494.4389534924.

The spelling of 120875431 in words is "one hundred twenty million, eight hundred seventy-five thousand, four hundred thirty-one".