1172993 has 2 divisors, whose sum is σ = 1172994. Its totient is φ = 1172992.

The previous prime is 1172981. The next prime is 1173001. The reversal of 1172993 is 3992711.

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., 620944 + 552049 = 788^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172993 - 2⁶ = 1172929 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1172903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586496 + 586497.

It is an arithmetic number, because the mean of its divisors is an integer number (586497).

2^1172993 is an apocalyptic number.

It is an amenable number.

1172993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172993 is an equidigital number, since it uses as much as digits as its factorization.

1172993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 32.

The square root of 1172993 is about 1083.0480137095. The cubic root of 1172993 is about 105.4625998920.

The spelling of 1172993 in words is "one million, one hundred seventy-two thousand, nine hundred ninety-three".