1172443 has 2 divisors, whose sum is σ = 1172444. Its totient is φ = 1172442.

The previous prime is 1172429. The next prime is 1172447. The reversal of 1172443 is 3442711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1172443 - 2⁵ = 1172411 is a prime.

It is equal to p₉₀₉₄₀ and since 1172443 and 90940 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1172447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586221 + 586222.

It is an arithmetic number, because the mean of its divisors is an integer number (586222).

2^1172443 is an apocalyptic number.

1172443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172443 is an equidigital number, since it uses as much as digits as its factorization.

1172443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 1172443 is about 1082.7940709110. The cubic root of 1172443 is about 105.4461140027.

The spelling of 1172443 in words is "one million, one hundred seventy-two thousand, four hundred forty-three".