1123597 has 2 divisors, whose sum is σ = 1123598. Its totient is φ = 1123596.

The previous prime is 1123589. The next prime is 1123601. The reversal of 1123597 is 7953211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121481 + 2116 = 1059^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123597 - 2³ = 1123589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561798 + 561799.

It is an arithmetic number, because the mean of its divisors is an integer number (561799).

2^1123597 is an apocalyptic number.

It is an amenable number.

1123597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123597 is an equidigital number, since it uses as much as digits as its factorization.

1123597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 1123597 is about 1059.9985849047. The cubic root of 1123597 is about 103.9609382398.

The spelling of 1123597 in words is "one million, one hundred twenty-three thousand, five hundred ninety-seven".