110689001 has 2 divisors, whose sum is σ = 110689002. Its totient is φ = 110689000.

The previous prime is 110688979. The next prime is 110689043. The reversal of 110689001 is 100986011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58920976 + 51768025 = 7676^2 + 7195^2 .

It is a cyclic number.

It is not a de Polignac number, because 110689001 - 2²² = 106494697 is a prime.

It is not a weakly prime, because it can be changed into another prime (110689081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55344500 + 55344501.

It is an arithmetic number, because the mean of its divisors is an integer number (55344501).

Almost surely, 2^110689001 is an apocalyptic number.

It is an amenable number.

110689001 is a deficient number, since it is larger than the sum of its proper divisors (1).

110689001 is an equidigital number, since it uses as much as digits as its factorization.

110689001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 110689001 is about 10520.8840408019. The cubic root of 110689001 is about 480.1402960847.

The spelling of 110689001 in words is "one hundred ten million, six hundred eighty-nine thousand, one".