120252978 has 32 divisors (see below), whose sum is σ = 272920320. Its totient is φ = 39230640.

The previous prime is 120252971. The next prime is 120252991. The reversal of 120252978 is 879252021.

120252978 is a `hidden beast` number, since 120 + 2 + 529 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (120252971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21153 + ... + 26228.

It is an arithmetic number, because the mean of its divisors is an integer number (8528760).

Almost surely, 2^120252978 is an apocalyptic number.

120252978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120252978 is an abundant number, since it is smaller than the sum of its proper divisors (152667342).

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

120252978 is a wasteful number, since it uses less digits than its factorization.

120252978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47439 (or 47433 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 120252978 is about 10965.9918840021. The cubic root of 120252978 is about 493.5887812482.

The spelling of 120252978 in words is "one hundred twenty million, two hundred fifty-two thousand, nine hundred seventy-eight".