109122641 has 4 divisors (see below), whose sum is σ = 109158384. Its totient is φ = 109086900.

The previous prime is 109122623. The next prime is 109122653. The reversal of 109122641 is 146221901.

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.

It is a cyclic number.

It is not a de Polignac number, because 109122641 - 2¹⁸ = 108860497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109122641.

It is not an unprimeable number, because it can be changed into a prime (109122661) 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, 12815 + ... + 19556.

It is an arithmetic number, because the mean of its divisors is an integer number (27289596).

Almost surely, 2^109122641 is an apocalyptic number.

It is an amenable number.

109122641 is a deficient number, since it is larger than the sum of its proper divisors (35743).

109122641 is an equidigital number, since it uses as much as digits as its factorization.

109122641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35742.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 109122641 is about 10446.1782963915. The cubic root of 109122641 is about 477.8647064332.

It can be divided in two parts, 1091 and 22641, that added together give a palindrome (23732).

The spelling of 109122641 in words is "one hundred nine million, one hundred twenty-two thousand, six hundred forty-one".