2117026 has 8 divisors (see below), whose sum is σ = 3182364. Its totient is φ = 1056240.

The previous prime is 2116997. The next prime is 2117039. The reversal of 2117026 is 6207112.

It is a Cunningham number, because it is equal to 1455²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 1 = 1455^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2116994 and 2117012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496 + ... + 2116.

2^2117026 is an apocalyptic number.

2117026 is a deficient number, since it is larger than the sum of its proper divisors (1065338).

2117026 is a wasteful number, since it uses less digits than its factorization.

2117026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2117026 is about 1455.0003436426. Note that the first 3 decimals coincide. The cubic root of 2117026 is about 128.4030669907.

The spelling of 2117026 in words is "two million, one hundred seventeen thousand, twenty-six".