120320631771 has 8 divisors (see below), whose sum is σ = 161187829824. Its totient is φ = 79833594120.

The previous prime is 120320631733. The next prime is 120320631773. The reversal of 120320631771 is 177136023021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120320631771 - 2²² = 120316437467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120320631773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95039361 + ... + 95040626.

It is an arithmetic number, because the mean of its divisors is an integer number (20148478728).

Almost surely, 2^120320631771 is an apocalyptic number.

120320631771 is a deficient number, since it is larger than the sum of its proper divisors (40867198053).

120320631771 is a wasteful number, since it uses less digits than its factorization.

120320631771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190080201.

The product of its (nonzero) digits is 10584, while the sum is 33.

Adding to 120320631771 its reverse (177136023021), we get a palindrome (297456654792).

The spelling of 120320631771 in words is "one hundred twenty billion, three hundred twenty million, six hundred thirty-one thousand, seven hundred seventy-one".