2117007 has 12 divisors (see below), whose sum is σ = 3101904. Its totient is φ = 1391040.

The previous prime is 2116997. The next prime is 2117039. The reversal of 2117007 is 7007112.

It is not a de Polignac number, because 2117007 - 2⁴ = 2116991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (258492).

2^2117007 is an apocalyptic number.

2117007 is a deficient number, since it is larger than the sum of its proper divisors (984897).

2117007 is a wasteful number, since it uses less digits than its factorization.

2117007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3387 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 2117007 is about 1454.9938144198. The cubic root of 2117007 is about 128.4026828566.

Adding to 2117007 its sum of digits (18), we get a square (2117025 = 1455²).

The spelling of 2117007 in words is "two million, one hundred seventeen thousand, seven".