120449808 has 40 divisors (see below), whose sum is σ = 345736800. Its totient is φ = 40149792.

The previous prime is 120449803. The next prime is 120449821. The reversal of 120449808 is 808944021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (120449801) 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, 138978 + ... + 139841.

It is an arithmetic number, because the mean of its divisors is an integer number (8643420).

Almost surely, 2^120449808 is an apocalyptic number.

120449808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120449808 is an abundant number, since it is smaller than the sum of its proper divisors (225286992).

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

120449808 is a wasteful number, since it uses less digits than its factorization.

120449808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278836 (or 278824 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 120449808 is about 10974.9627789802. The cubic root of 120449808 is about 493.8579363879.

The spelling of 120449808 in words is "one hundred twenty million, four hundred forty-nine thousand, eight hundred eight".