110990969 has 4 divisors (see below), whose sum is σ = 111480144. Its totient is φ = 110501796.

The previous prime is 110990947. The next prime is 110990981. The reversal of 110990969 is 969099011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 969099011 = 53 ⋅18284887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110990969 is a prime.

It is a super-2 number, since 2×110990969² = 24637990399117922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110992969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244247 + ... + 244700.

It is an arithmetic number, because the mean of its divisors is an integer number (27870036).

Almost surely, 2^110990969 is an apocalyptic number.

It is an amenable number.

110990969 is a deficient number, since it is larger than the sum of its proper divisors (489175).

110990969 is an equidigital number, since it uses as much as digits as its factorization.

110990969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489174.

The product of its (nonzero) digits is 39366, while the sum is 44.

The square root of 110990969 is about 10535.2251518418. The cubic root of 110990969 is about 480.5765193706.

The spelling of 110990969 in words is "one hundred ten million, nine hundred ninety thousand, nine hundred sixty-nine".