120609408 has 64 divisors (see below), whose sum is σ = 321544800. Its totient is φ = 40055808.

The previous prime is 120609403. The next prime is 120609409. The reversal of 120609408 is 804906021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×120609408² = 29093258596220928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120609403) 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, 169758 + ... + 170466.

Almost surely, 2^120609408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120609408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160772400).

120609408 is an abundant number, since it is smaller than the sum of its proper divisors (200935392).

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

120609408 is an equidigital number, since it uses as much as digits as its factorization.

120609408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 120609408 is about 10982.2314672383. The cubic root of 120609408 is about 494.0759661787.

The spelling of 120609408 in words is "one hundred twenty million, six hundred nine thousand, four hundred eight".