109591039 has 2 divisors, whose sum is σ = 109591040. Its totient is φ = 109591038.

The previous prime is 109591037. The next prime is 109591043. The reversal of 109591039 is 930195901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109591039 - 2¹ = 109591037 is a prime.

Together with 109591037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 109590989 and 109591007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109591037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54795519 + 54795520.

It is an arithmetic number, because the mean of its divisors is an integer number (54795520).

Almost surely, 2^109591039 is an apocalyptic number.

109591039 is a deficient number, since it is larger than the sum of its proper divisors (1).

109591039 is an equidigital number, since it uses as much as digits as its factorization.

109591039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 109591039 is about 10468.5738761304. The cubic root of 109591039 is about 478.5474592669.

The spelling of 109591039 in words is "one hundred nine million, five hundred ninety-one thousand, thirty-nine".