120899160 has 96 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 31449600.

The previous prime is 120899159. The next prime is 120899161. The reversal of 120899160 is 61998021.

It is an interprime number because it is at equal distance from previous prime (120899159) and next prime (120899161).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120899161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10665 + ... + 18855.

It is an arithmetic number, because the mean of its divisors is an integer number (4193280).

Almost surely, 2^120899160 is an apocalyptic number.

120899160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120899160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201277440).

120899160 is an abundant number, since it is smaller than the sum of its proper divisors (281655720).

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

120899160 is a wasteful number, since it uses less digits than its factorization.

120899160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249 (or 8242 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 120899160 is about 10995.4154082508. The cubic root of 120899160 is about 494.4713057363.

The spelling of 120899160 in words is "one hundred twenty million, eight hundred ninety-nine thousand, one hundred sixty".