120155000 has 80 divisors (see below), whose sum is σ = 321834480. Its totient is φ = 41184000.

The previous prime is 120154927. The next prime is 120155023. The reversal of 120155000 is 551021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33284 + ... + 36716.

It is an arithmetic number, because the mean of its divisors is an integer number (4022931).

Almost surely, 2^120155000 is an apocalyptic number.

120155000 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 120155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160917240).

120155000 is an abundant number, since it is smaller than the sum of its proper divisors (201679480).

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

120155000 is an equidigital number, since it uses as much as digits as its factorization.

120155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3447 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 120155000 is about 10961.5236167241. The cubic root of 120155000 is about 493.4546917573.

The spelling of 120155000 in words is "one hundred twenty million, one hundred fifty-five thousand".