120986055 has 24 divisors (see below), whose sum is σ = 217478352. Its totient is φ = 64525248.

The previous prime is 120986027. The next prime is 120986069. The reversal of 120986055 is 550689021.

It is a happy number.

It is not a de Polignac number, because 120986055 - 2⁵ = 120986023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48574 + ... + 51003.

It is an arithmetic number, because the mean of its divisors is an integer number (9061598).

Almost surely, 2^120986055 is an apocalyptic number.

120986055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120986055 is a deficient number, since it is larger than the sum of its proper divisors (96492297).

120986055 is an frugal number, since it uses more digits than its factorization.

120986055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99597 (or 99585 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 120986055 is about 10999.3661180997. The cubic root of 120986055 is about 494.5897427163.

The spelling of 120986055 in words is "one hundred twenty million, nine hundred eighty-six thousand, fifty-five".