120478158 has 16 divisors (see below), whose sum is σ = 267729360. Its totient is φ = 40159368.

The previous prime is 120478157. The next prime is 120478223. The reversal of 120478158 is 851874021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120478157) 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, 1115485 + ... + 1115592.

It is an arithmetic number, because the mean of its divisors is an integer number (16733085).

Almost surely, 2^120478158 is an apocalyptic number.

120478158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120478158 is an abundant number, since it is smaller than the sum of its proper divisors (147251202).

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

120478158 is a wasteful number, since it uses less digits than its factorization.

120478158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231088 (or 2231082 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 120478158 is about 10976.2542791246. The cubic root of 120478158 is about 493.8966794251.

The spelling of 120478158 in words is "one hundred twenty million, four hundred seventy-eight thousand, one hundred fifty-eight".