109902959 has 4 divisors (see below), whose sum is σ = 111450960. Its totient is φ = 108354960.

The previous prime is 109902929. The next prime is 109902971. The reversal of 109902959 is 959209901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109902959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109902929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773894 + ... + 774035.

It is an arithmetic number, because the mean of its divisors is an integer number (27862740).

Almost surely, 2^109902959 is an apocalyptic number.

109902959 is a deficient number, since it is larger than the sum of its proper divisors (1548001).

109902959 is an equidigital number, since it uses as much as digits as its factorization.

109902959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548000.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 109902959 is about 10483.4612127865. The cubic root of 109902959 is about 479.0010460183.

The spelling of 109902959 in words is "one hundred nine million, nine hundred two thousand, nine hundred fifty-nine".