3132121 has 2 divisors, whose sum is σ = 3132122. Its totient is φ = 3132120.

The previous prime is 3132119. The next prime is 3132139. The reversal of 3132121 is 1212313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2676496 + 455625 = 1636^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132121 - 2¹ = 3132119 is a prime.

Together with 3132119, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

3132121 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3192121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566060 + 1566061.

It is an arithmetic number, because the mean of its divisors is an integer number (1566061).

Almost surely, 2^3132121 is an apocalyptic number.

It is an amenable number.

3132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3132121 is an equidigital number, since it uses as much as digits as its factorization.

3132121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 13.

The square root of 3132121 is about 1769.7799298218. The cubic root of 3132121 is about 146.3118529614.

Adding to 3132121 its reverse (1212313), we get a palindrome (4344434).

The spelling of 3132121 in words is "three million, one hundred thirty-two thousand, one hundred twenty-one".