120645954 has 72 divisors (see below), whose sum is σ = 309497916. Its totient is φ = 33739200.

The previous prime is 120645949. The next prime is 120645979. The reversal of 120645954 is 459546021.

120645954 is a `hidden beast` number, since 1 + 2 + 0 + 64 + 595 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119311929 + 1334025 = 10923^2 + 1155^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26184 + ... + 30444.

Almost surely, 2^120645954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120645954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154748958).

120645954 is an abundant number, since it is smaller than the sum of its proper divisors (188851962).

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

120645954 is a wasteful number, since it uses less digits than its factorization.

120645954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 120645954 is about 10983.8952107165. The cubic root of 120645954 is about 494.1258646543.

The spelling of 120645954 in words is "one hundred twenty million, six hundred forty-five thousand, nine hundred fifty-four".