120827181 has 16 divisors (see below), whose sum is σ = 166606848. Its totient is φ = 77809200.

The previous prime is 120827149. The next prime is 120827183. The reversal of 120827181 is 181728021.

It is a happy number.

It is not a de Polignac number, because 120827181 - 2⁵ = 120827149 is a prime.

It is a super-2 number, since 2×120827181² = 29198415336813522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120827183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76126 + ... + 77696.

It is an arithmetic number, because the mean of its divisors is an integer number (10412928).

Almost surely, 2^120827181 is an apocalyptic number.

It is an amenable number.

120827181 is a deficient number, since it is larger than the sum of its proper divisors (45779667).

120827181 is a wasteful number, since it uses less digits than its factorization.

120827181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 120827181 is about 10992.1417840201. The cubic root of 120827181 is about 494.3731561275.

The spelling of 120827181 in words is "one hundred twenty million, eight hundred twenty-seven thousand, one hundred eighty-one".