109120901 has 4 divisors (see below), whose sum is σ = 113865312. Its totient is φ = 104376492.

The previous prime is 109120873. The next prime is 109120903. The reversal of 109120901 is 109021901.

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 109120901 - 2¹⁰ = 109119877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4744387 = 109120901 / (1 + 0 + 9 + 1 + 2 + 0 + 9 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109120903) 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, 2372171 + ... + 2372216.

It is an arithmetic number, because the mean of its divisors is an integer number (28466328).

Almost surely, 2^109120901 is an apocalyptic number.

It is an amenable number.

109120901 is a deficient number, since it is larger than the sum of its proper divisors (4744411).

109120901 is an equidigital number, since it uses as much as digits as its factorization.

109120901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744410.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 109120901 is about 10446.0950120129. The cubic root of 109120901 is about 477.8621665111.

The spelling of 109120901 in words is "one hundred nine million, one hundred twenty thousand, nine hundred one".