1152997 has 2 divisors, whose sum is σ = 1152998. Its totient is φ = 1152996.

The previous prime is 1152989. The next prime is 1153001. The reversal of 1152997 is 7992511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 16641 = 1066^2 + 129^2 .

It is an emirp because it is prime and its reverse (7992511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152997 - 2³ = 1152989 is a prime.

1152997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576498 + 576499.

It is an arithmetic number, because the mean of its divisors is an integer number (576499).

2^1152997 is an apocalyptic number.

It is an amenable number.

1152997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152997 is an equidigital number, since it uses as much as digits as its factorization.

1152997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 34.

The square root of 1152997 is about 1073.7769787065. The cubic root of 1152997 is about 104.8598887054.

The spelling of 1152997 in words is "one million, one hundred fifty-two thousand, nine hundred ninety-seven".