120031193 has 4 divisors (see below), whose sum is σ = 122065680. Its totient is φ = 117996708.

The previous prime is 120031187. The next prime is 120031201. The reversal of 120031193 is 391130021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391130021 = 43 ⋅9096047.

It is a cyclic number.

It is not a de Polignac number, because 120031193 - 2¹⁸ = 119769049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120031133) 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, 1017155 + ... + 1017272.

It is an arithmetic number, because the mean of its divisors is an integer number (30516420).

Almost surely, 2^120031193 is an apocalyptic number.

It is an amenable number.

120031193 is a deficient number, since it is larger than the sum of its proper divisors (2034487).

120031193 is an equidigital number, since it uses as much as digits as its factorization.

120031193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034486.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 120031193 is about 10955.8748167365. The cubic root of 120031193 is about 493.2851492486.

The spelling of 120031193 in words is "one hundred twenty million, thirty-one thousand, one hundred ninety-three".