2109107 has 32 divisors (see below), whose sum is σ = 2956800. Its totient is φ = 1481760.

The previous prime is 2109103. The next prime is 2109109. The reversal of 2109107 is 7019012.

It is not a de Polignac number, because 2109107 - 2² = 2109103 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49028 + ... + 49070.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^2109107 is an apocalyptic number.

2109107 is a deficient number, since it is larger than the sum of its proper divisors (847693).

2109107 is a wasteful number, since it uses less digits than its factorization.

2109107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 2109107 is about 1452.2764888271. The cubic root of 2109107 is about 128.2427643804.

The spelling of 2109107 in words is "two million, one hundred nine thousand, one hundred seven".