121122089 has 12 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 108708600.

The previous prime is 121122073. The next prime is 121122107. The reversal of 121122089 is 980221121.

It is not a de Polignac number, because 121122089 - 2⁴ = 121122073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121122389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3224 + ... + 15894.

It is an arithmetic number, because the mean of its divisors is an integer number (11235840).

Almost surely, 2^121122089 is an apocalyptic number.

It is an amenable number.

121122089 is a deficient number, since it is larger than the sum of its proper divisors (13707991).

121122089 is a wasteful number, since it uses less digits than its factorization.

121122089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772 (or 12761 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 121122089 is about 11005.5481008444. The cubic root of 121122089 is about 494.7750418137.

The spelling of 121122089 in words is "one hundred twenty-one million, one hundred twenty-two thousand, eighty-nine".