3247121 has 2 divisors, whose sum is σ = 3247122. Its totient is φ = 3247120.

The previous prime is 3247109. The next prime is 3247133. The reversal of 3247121 is 1217423.

It is a balanced prime because it is at equal distance from previous prime (3247109) and next prime (3247133).

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 801025 = 1564^2 + 895^2 .

It is an emirp because it is prime and its reverse (1217423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3247121 - 2¹⁴ = 3230737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3247093 and 3247102.

It is not a weakly prime, because it can be changed into another prime (3247171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623560 + 1623561.

It is an arithmetic number, because the mean of its divisors is an integer number (1623561).

Almost surely, 2^3247121 is an apocalyptic number.

It is an amenable number.

3247121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3247121 is an equidigital number, since it uses as much as digits as its factorization.

3247121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 3247121 is about 1801.9769698861. The cubic root of 3247121 is about 148.0810519030.

The spelling of 3247121 in words is "three million, two hundred forty-seven thousand, one hundred twenty-one".