120031205 has 16 divisors (see below), whose sum is σ = 164792064. Its totient is φ = 82218240.

The previous prime is 120031201. The next prime is 120031207. The reversal of 120031205 is 502130021.

It is a happy number.

It is not a de Polignac number, because 120031205 - 2² = 120031201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63149 + ... + 65021.

It is an arithmetic number, because the mean of its divisors is an integer number (10299504).

Almost surely, 2^120031205 is an apocalyptic number.

It is an amenable number.

120031205 is a deficient number, since it is larger than the sum of its proper divisors (44760859).

120031205 is a wasteful number, since it uses less digits than its factorization.

120031205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 120031205 is about 10955.8753643878. The cubic root of 120031205 is about 493.2851656872.

Adding to 120031205 its reverse (502130021), we get a palindrome (622161226).

The spelling of 120031205 in words is "one hundred twenty million, thirty-one thousand, two hundred five".