1173229643 has 2 divisors, whose sum is σ = 1173229644. Its totient is φ = 1173229642.

The previous prime is 1173229621. The next prime is 1173229649. The reversal of 1173229643 is 3469223711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173229643 - 2⁶ = 1173229579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1173229597 and 1173229606.

It is not a weakly prime, because it can be changed into another prime (1173229649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586614821 + 586614822.

It is an arithmetic number, because the mean of its divisors is an integer number (586614822).

Almost surely, 2^1173229643 is an apocalyptic number.

1173229643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173229643 is an equidigital number, since it uses as much as digits as its factorization.

1173229643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 1173229643 is about 34252.4399568848. The cubic root of 1173229643 is about 1054.6969152504.

The spelling of 1173229643 in words is "one billion, one hundred seventy-three million, two hundred twenty-nine thousand, six hundred forty-three".