1117973 has 2 divisors, whose sum is σ = 1117974. Its totient is φ = 1117972.

The previous prime is 1117967. The next prime is 1117993. The reversal of 1117973 is 3797111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908209 + 209764 = 953^2 + 458^2 .

It is an emirp because it is prime and its reverse (3797111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1117973 - 2¹² = 1113877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558986 + 558987.

It is an arithmetic number, because the mean of its divisors is an integer number (558987).

2^1117973 is an apocalyptic number.

It is an amenable number.

1117973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117973 is an equidigital number, since it uses as much as digits as its factorization.

1117973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323, while the sum is 29.

The square root of 1117973 is about 1057.3424232480. The cubic root of 1117973 is about 103.7871942900.

The spelling of 1117973 in words is "one million, one hundred seventeen thousand, nine hundred seventy-three".