3117121 has 16 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 2418768.

The previous prime is 3117119. The next prime is 3117151. The reversal of 3117121 is 1217113.

It is a cyclic number.

It is not a de Polignac number, because 3117121 - 2¹ = 3117119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3117095 and 3117104.

It is not an unprimeable number, because it can be changed into a prime (3117151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2550 + ... + 3568.

It is an arithmetic number, because the mean of its divisors is an integer number (244800).

Almost surely, 2^3117121 is an apocalyptic number.

It is an amenable number.

3117121 is a deficient number, since it is larger than the sum of its proper divisors (799679).

3117121 is a wasteful number, since it uses less digits than its factorization.

3117121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its digits is 42, while the sum is 16.

The square root of 3117121 is about 1765.5370287819. The cubic root of 3117121 is about 146.0779123775.

The spelling of 3117121 in words is "three million, one hundred seventeen thousand, one hundred twenty-one".