2973121 has 2 divisors, whose sum is σ = 2973122. Its totient is φ = 2973120.

The previous prime is 2973119. The next prime is 2973151. The reversal of 2973121 is 1213792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 1254400 = 1311^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2973121 - 2¹ = 2973119 is a prime.

Together with 2973119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2973151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486560 + 1486561.

It is an arithmetic number, because the mean of its divisors is an integer number (1486561).

2^2973121 is an apocalyptic number.

It is an amenable number.

2973121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2973121 is an equidigital number, since it uses as much as digits as its factorization.

2973121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 2973121 is about 1724.2740501440. The cubic root of 2973121 is about 143.7929283258.

The spelling of 2973121 in words is "two million, nine hundred seventy-three thousand, one hundred twenty-one".