3199121 has 2 divisors, whose sum is σ = 3199122. Its totient is φ = 3199120.

The previous prime is 3199117. The next prime is 3199127. The reversal of 3199121 is 1219913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1661521 + 1537600 = 1289^2 + 1240^2 .

It is an emirp because it is prime and its reverse (1219913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3199121 - 2² = 3199117 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3199127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599560 + 1599561.

It is an arithmetic number, because the mean of its divisors is an integer number (1599561).

Almost surely, 2^3199121 is an apocalyptic number.

It is an amenable number.

3199121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3199121 is an equidigital number, since it uses as much as digits as its factorization.

3199121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 26.

The square root of 3199121 is about 1788.6086771566. The cubic root of 3199121 is about 147.3477659446.

It can be divided in two parts, 319912 and 1, that added together give a palindrome (319913).

The spelling of 3199121 in words is "three million, one hundred ninety-nine thousand, one hundred twenty-one".