122120866 has 32 divisors (see below), whose sum is σ = 222687360. Its totient is φ = 49061376.

The previous prime is 122120863. The next prime is 122120879. The reversal of 122120866 is 668021221.

It is not an unprimeable number, because it can be changed into a prime (122120863) 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, 23436 + ... + 28168.

It is an arithmetic number, because the mean of its divisors is an integer number (6958980).

Almost surely, 2^122120866 is an apocalyptic number.

122120866 is a deficient number, since it is larger than the sum of its proper divisors (100566494).

122120866 is a wasteful number, since it uses less digits than its factorization.

122120866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 122120866 is about 11050.8310094762. The cubic root of 122120866 is about 496.1312981619.

The spelling of 122120866 in words is "one hundred twenty-two million, one hundred twenty thousand, eight hundred sixty-six".