120311964 has 36 divisors (see below), whose sum is σ = 304473624. Its totient is φ = 40057632.

The previous prime is 120311951. The next prime is 120311969. The reversal of 120311964 is 469113021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 45774 + ... + 48330.

Almost surely, 2^120311964 is an apocalyptic number.

It is an amenable number.

120311964 is an abundant number, since it is smaller than the sum of its proper divisors (184161660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120311964 is a wasteful number, since it uses less digits than its factorization.

120311964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 120311964 is about 10968.6810510653. The cubic root of 120311964 is about 493.6694724411.

Adding to 120311964 its reverse (469113021), we get a palindrome (589424985).

The spelling of 120311964 in words is "one hundred twenty million, three hundred eleven thousand, nine hundred sixty-four".