2120117 has 4 divisors (see below), whose sum is σ = 2212320. Its totient is φ = 2027916.

The previous prime is 2120113. The next prime is 2120119. The reversal of 2120117 is 7110212.

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 2120117 - 2² = 2120113 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 (2120113) 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, 46067 + ... + 46112.

It is an arithmetic number, because the mean of its divisors is an integer number (553080).

2^2120117 is an apocalyptic number.

It is an amenable number.

2120117 is a deficient number, since it is larger than the sum of its proper divisors (92203).

2120117 is an equidigital number, since it uses as much as digits as its factorization.

2120117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92202.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 2120117 is about 1456.0621552667. The cubic root of 2120117 is about 128.4655289653.

Adding to 2120117 its reverse (7110212), we get a palindrome (9230329).

The spelling of 2120117 in words is "two million, one hundred twenty thousand, one hundred seventeen".