120943831 has 16 divisors (see below), whose sum is σ = 131552640. Its totient is φ = 110753280.

The previous prime is 120943829. The next prime is 120943841. The reversal of 120943831 is 138349021.

It is a cyclic number.

It is not a de Polignac number, because 120943831 - 2¹ = 120943829 is a prime.

It is a super-2 number, since 2×120943831² = 29254820513913122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120943793 and 120943802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120943841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182641 + ... + 183301.

It is an arithmetic number, because the mean of its divisors is an integer number (8222040).

Almost surely, 2^120943831 is an apocalyptic number.

120943831 is a deficient number, since it is larger than the sum of its proper divisors (10608809).

120943831 is a wasteful number, since it uses less digits than its factorization.

120943831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 120943831 is about 10997.4465672719. The cubic root of 120943831 is about 494.5321989296.

The spelling of 120943831 in words is "one hundred twenty million, nine hundred forty-three thousand, eight hundred thirty-one".