120884855 has 48 divisors (see below), whose sum is σ = 182145024. Its totient is φ = 75404160.

The previous prime is 120884843. The next prime is 120884857. The reversal of 120884855 is 558488021.

120884855 = T₄₃₀₆ + T₄₃₀₇ + ... + T₄₃₁₈.

It is a happy number.

It is not a de Polignac number, because 120884855 - 2⁴ = 120884839 is a prime.

It is a super-2 number, since 2×120884855² = 29226296336742050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120884857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632810 + ... + 633000.

It is an arithmetic number, because the mean of its divisors is an integer number (3794688).

Almost surely, 2^120884855 is an apocalyptic number.

120884855 is a deficient number, since it is larger than the sum of its proper divisors (61260169).

120884855 is a wasteful number, since it uses less digits than its factorization.

120884855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 120884855 is about 10994.7648906195. The cubic root of 120884855 is about 494.4518027306.

The spelling of 120884855 in words is "one hundred twenty million, eight hundred eighty-four thousand, eight hundred fifty-five".