7351121 has 2 divisors, whose sum is σ = 7351122. Its totient is φ = 7351120.

The previous prime is 7351117. The next prime is 7351147. The reversal of 7351121 is 1211537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7349521 + 1600 = 2711^2 + 40^2 .

It is an emirp because it is prime and its reverse (1211537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7351121 - 2² = 7351117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7351093 and 7351102.

It is not a weakly prime, because it can be changed into another prime (7351111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3675560 + 3675561.

It is an arithmetic number, because the mean of its divisors is an integer number (3675561).

Almost surely, 2^7351121 is an apocalyptic number.

It is an amenable number.

7351121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7351121 is an equidigital number, since it uses as much as digits as its factorization.

7351121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210, while the sum is 20.

The square root of 7351121 is about 2711.2950780024. The cubic root of 7351121 is about 194.4395126066.

Adding to 7351121 its reverse (1211537), we get a palindrome (8562658).

The spelling of 7351121 in words is "seven million, three hundred fifty-one thousand, one hundred twenty-one".