2122907 has 4 divisors (see below), whose sum is σ = 2127336. Its totient is φ = 2118480.

The previous prime is 2122873. The next prime is 2122921. The reversal of 2122907 is 7092212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122907 - 2⁶ = 2122843 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 (2122937) 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, 1394 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (531834).

2^2122907 is an apocalyptic number.

2122907 is a deficient number, since it is larger than the sum of its proper divisors (4429).

2122907 is an equidigital number, since it uses as much as digits as its factorization.

2122907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2122907 is about 1457.0199037762. The cubic root of 2122907 is about 128.5218563155.

The spelling of 2122907 in words is "two million, one hundred twenty-two thousand, nine hundred seven".