2120107 has 4 divisors (see below), whose sum is σ = 2312856. Its totient is φ = 1927360.

The previous prime is 2120101. The next prime is 2120113. The reversal of 2120107 is 7010212.

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

It is an interprime number because it is at equal distance from previous prime (2120101) and next prime (2120113).

It is a cyclic number.

It is not a de Polignac number, because 2120107 - 2³ = 2120099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120101) 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, 96358 + ... + 96379.

It is an arithmetic number, because the mean of its divisors is an integer number (578214).

2^2120107 is an apocalyptic number.

2120107 is a deficient number, since it is larger than the sum of its proper divisors (192749).

2120107 is a wasteful number, since it uses less digits than its factorization.

2120107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192748.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2120107 is about 1456.0587213433. The cubic root of 2120107 is about 128.4653269863.

Adding to 2120107 its reverse (7010212), we get a palindrome (9130319).

The spelling of 2120107 in words is "two million, one hundred twenty thousand, one hundred seven".