120278892 has 48 divisors (see below), whose sum is σ = 305625600. Its totient is φ = 36671040.

The previous prime is 120278887. The next prime is 120278903. The reversal of 120278892 is 298872021.

It is a self number, because there is not a number n which added to its sum of digits gives 120278892.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (6367200).

Almost surely, 2^120278892 is an apocalyptic number.

120278892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120278892 is an abundant number, since it is smaller than the sum of its proper divisors (185346708).

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

120278892 is a wasteful number, since it uses less digits than its factorization.

120278892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18246 (or 18244 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 120278892 is about 10967.1733824172. The cubic root of 120278892 is about 493.6242341221.

The spelling of 120278892 in words is "one hundred twenty million, two hundred seventy-eight thousand, eight hundred ninety-two".