120827655 has 24 divisors (see below), whose sum is σ = 225546048. Its totient is φ = 59484096.

The previous prime is 120827611. The next prime is 120827657. The reversal of 120827655 is 556728021.

It is a happy number.

It is not a de Polignac number, because 120827655 - 2¹² = 120823559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120827657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102687 + ... + 103856.

It is an arithmetic number, because the mean of its divisors is an integer number (9397752).

Almost surely, 2^120827655 is an apocalyptic number.

120827655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120827655 is a deficient number, since it is larger than the sum of its proper divisors (104718393).

120827655 is a wasteful number, since it uses less digits than its factorization.

120827655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206567 (or 206564 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 120827655 is about 10992.1633448562. The cubic root of 120827655 is about 494.3738025951.

The spelling of 120827655 in words is "one hundred twenty million, eight hundred twenty-seven thousand, six hundred fifty-five".