120155455 has 16 divisors (see below), whose sum is σ = 167247360. Its totient is φ = 81160992.

The previous prime is 120155443. The next prime is 120155471. The reversal of 120155455 is 554551021.

It is a cyclic number.

It is not a de Polignac number, because 120155455 - 2⁵ = 120155423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23275 + ... + 27964.

It is an arithmetic number, because the mean of its divisors is an integer number (10452960).

Almost surely, 2^120155455 is an apocalyptic number.

120155455 is a deficient number, since it is larger than the sum of its proper divisors (47091905).

120155455 is an equidigital number, since it uses as much as digits as its factorization.

120155455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51318.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 120155455 is about 10961.5443711185. The cubic root of 120155455 is about 493.4553146239.

The spelling of 120155455 in words is "one hundred twenty million, one hundred fifty-five thousand, four hundred fifty-five".