120199144 has 32 divisors (see below), whose sum is σ = 243169920. Its totient is φ = 55371456.

The previous prime is 120199133. The next prime is 120199169. The reversal of 120199144 is 441991021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91597 + ... + 92899.

It is an arithmetic number, because the mean of its divisors is an integer number (7599060).

Almost surely, 2^120199144 is an apocalyptic number.

It is an amenable number.

120199144 is an abundant number, since it is smaller than the sum of its proper divisors (122970776).

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

120199144 is a wasteful number, since it uses less digits than its factorization.

120199144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 120199144 is about 10963.5370205057. The cubic root of 120199144 is about 493.5151148131.

The spelling of 120199144 in words is "one hundred twenty million, one hundred ninety-nine thousand, one hundred forty-four".