120311963 has 4 divisors (see below), whose sum is σ = 122871840. Its totient is φ = 117752088.

The previous prime is 120311951. The next prime is 120311969. The reversal of 120311963 is 369113021.

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 120311963 - 2¹⁴ = 120295579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120311969) 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, 1279868 + ... + 1279961.

It is an arithmetic number, because the mean of its divisors is an integer number (30717960).

Almost surely, 2^120311963 is an apocalyptic number.

120311963 is a deficient number, since it is larger than the sum of its proper divisors (2559877).

120311963 is an equidigital number, since it uses as much as digits as its factorization.

120311963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559876.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 120311963 is about 10968.6810054810. The cubic root of 120311963 is about 493.6694710733.

Adding to 120311963 its reverse (369113021), we get a palindrome (489424984).

The spelling of 120311963 in words is "one hundred twenty million, three hundred eleven thousand, nine hundred sixty-three".