120866883 has 4 divisors (see below), whose sum is σ = 161155848. Its totient is φ = 80577920.

The previous prime is 120866881. The next prime is 120866899. The reversal of 120866883 is 388668021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120866883 - 2¹ = 120866881 is a prime.

It is a super-2 number, since 2×120866883² = 29217606812271378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120866881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20144478 + ... + 20144483.

It is an arithmetic number, because the mean of its divisors is an integer number (40288962).

Almost surely, 2^120866883 is an apocalyptic number.

120866883 is a deficient number, since it is larger than the sum of its proper divisors (40288965).

120866883 is an equidigital number, since it uses as much as digits as its factorization.

120866883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40288964.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 120866883 is about 10993.9475621817. The cubic root of 120866883 is about 494.4272980667.

The spelling of 120866883 in words is "one hundred twenty million, eight hundred sixty-six thousand, eight hundred eighty-three".