120101089 has 2 divisors, whose sum is σ = 120101090. Its totient is φ = 120101088.

The previous prime is 120101087. The next prime is 120101119. The reversal of 120101089 is 980101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 31270464 = 9425^2 + 5592^2 .

It is a cyclic number.

It is not a de Polignac number, because 120101089 - 2¹ = 120101087 is a prime.

Together with 120101087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120101087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050544 + 60050545.

It is an arithmetic number, because the mean of its divisors is an integer number (60050545).

Almost surely, 2^120101089 is an apocalyptic number.

It is an amenable number.

120101089 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101089 is an equidigital number, since it uses as much as digits as its factorization.

120101089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 120101089 is about 10959.0642392496. The cubic root of 120101089 is about 493.3808798322.

The spelling of 120101089 in words is "one hundred twenty million, one hundred one thousand, eighty-nine".