7126243 has 2 divisors, whose sum is σ = 7126244. Its totient is φ = 7126242.

The previous prime is 7126201. The next prime is 7126253. The reversal of 7126243 is 3426217.

It is a strong prime.

It is an emirp because it is prime and its reverse (3426217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7126243 - 2⁹ = 7125731 is a prime.

It is not a weakly prime, because it can be changed into another prime (7126253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3563121 + 3563122.

It is an arithmetic number, because the mean of its divisors is an integer number (3563122).

Almost surely, 2^7126243 is an apocalyptic number.

7126243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7126243 is an equidigital number, since it uses as much as digits as its factorization.

7126243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 7126243 is about 2669.5023880866. The cubic root of 7126243 is about 192.4362458241.

The spelling of 7126243 in words is "seven million, one hundred twenty-six thousand, two hundred forty-three".