109957259 has 4 divisors (see below), whose sum is σ = 110196240. Its totient is φ = 109718280.

The previous prime is 109957231. The next prime is 109957261. The reversal of 109957259 is 952759901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952759901 = 43 ⋅22157207.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109957259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109957219) 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 3 ways as a sum of consecutive naturals, for example, 118799 + ... + 119720.

It is an arithmetic number, because the mean of its divisors is an integer number (27549060).

Almost surely, 2^109957259 is an apocalyptic number.

109957259 is a deficient number, since it is larger than the sum of its proper divisors (238981).

109957259 is an equidigital number, since it uses as much as digits as its factorization.

109957259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238980.

The product of its (nonzero) digits is 255150, while the sum is 47.

The square root of 109957259 is about 10486.0506865073. The cubic root of 109957259 is about 479.0799200681.

The spelling of 109957259 in words is "one hundred nine million, nine hundred fifty-seven thousand, two hundred fifty-nine".