120271992 has 32 divisors (see below), whose sum is σ = 305612880. Its totient is φ = 39432960.

The previous prime is 120271979. The next prime is 120271993. The reversal of 120271992 is 299172021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120271993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39613 + ... + 42540.

Almost surely, 2^120271992 is an apocalyptic number.

120271992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120271992 is an abundant number, since it is smaller than the sum of its proper divisors (185340888).

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

120271992 is a wasteful number, since it uses less digits than its factorization.

120271992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82223 (or 82219 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 120271992 is about 10966.8588027748. The cubic root of 120271992 is about 493.6147947481.

The spelling of 120271992 in words is "one hundred twenty million, two hundred seventy-one thousand, nine hundred ninety-two".