7243674121 has 2 divisors, whose sum is σ = 7243674122. Its totient is φ = 7243674120.

The previous prime is 7243674103. The next prime is 7243674203. The reversal of 7243674121 is 1214763427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7066251721 + 177422400 = 84061^2 + 13320^2 .

It is a cyclic number.

It is not a de Polignac number, because 7243674121 - 2⁵ = 7243674089 is a prime.

It is not a weakly prime, because it can be changed into another prime (7243674101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621837060 + 3621837061.

It is an arithmetic number, because the mean of its divisors is an integer number (3621837061).

Almost surely, 2^7243674121 is an apocalyptic number.

It is an amenable number.

7243674121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243674121 is an equidigital number, since it uses as much as digits as its factorization.

7243674121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 7243674121 is about 85109.7768825650. The cubic root of 7243674121 is about 1934.8752439337.

The spelling of 7243674121 in words is "seven billion, two hundred forty-three million, six hundred seventy-four thousand, one hundred twenty-one".