2617121 has 8 divisors (see below), whose sum is σ = 2895144. Its totient is φ = 2350080.

The previous prime is 2617103. The next prime is 2617129. The reversal of 2617121 is 1217162.

It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 1918225 = 836^2 + 1385^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2617121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2617093 and 2617102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2617129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (361893).

2^2617121 is an apocalyptic number.

It is an amenable number.

2617121 is a deficient number, since it is larger than the sum of its proper divisors (278023).

2617121 is a wasteful number, since it uses less digits than its factorization.

2617121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491.

The product of its digits is 168, while the sum is 20.

The square root of 2617121 is about 1617.7518351095. The cubic root of 2617121 is about 137.8080542252.

It can be divided in two parts, 261 and 7121, that multiplied together give a palindrome (1858581).

The spelling of 2617121 in words is "two million, six hundred seventeen thousand, one hundred twenty-one".