120155255 has 8 divisors (see below), whose sum is σ = 157294224. Its totient is φ = 87385600.

The previous prime is 120155249. The next prime is 120155261. The reversal of 120155255 is 552551021.

It is an interprime number because it is at equal distance from previous prime (120155249) and next prime (120155261).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120155255 - 2¹⁴ = 120138871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092266 + ... + 1092375.

It is an arithmetic number, because the mean of its divisors is an integer number (19661778).

Almost surely, 2^120155255 is an apocalyptic number.

120155255 is a deficient number, since it is larger than the sum of its proper divisors (37138969).

120155255 is a wasteful number, since it uses less digits than its factorization.

120155255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184657.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 120155255 is about 10961.5352483126. The cubic root of 120155255 is about 493.4550408365.

The spelling of 120155255 in words is "one hundred twenty million, one hundred fifty-five thousand, two hundred fifty-five".