1172842193 has 2 divisors, whose sum is σ = 1172842194. Its totient is φ = 1172842192.

The previous prime is 1172842129. The next prime is 1172842211. The reversal of 1172842193 is 3912482711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762698689 + 410143504 = 27617^2 + 20252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172842193 - 2⁶ = 1172842129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1172842103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586421096 + 586421097.

It is an arithmetic number, because the mean of its divisors is an integer number (586421097).

Almost surely, 2^1172842193 is an apocalyptic number.

It is an amenable number.

1172842193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172842193 is an equidigital number, since it uses as much as digits as its factorization.

1172842193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 1172842193 is about 34246.7836883991. The cubic root of 1172842193 is about 1054.5808006392.

The spelling of 1172842193 in words is "one billion, one hundred seventy-two million, eight hundred forty-two thousand, one hundred ninety-three".