1230997 has 2 divisors, whose sum is σ = 1230998. Its totient is φ = 1230996.

The previous prime is 1230967. The next prime is 1231001. The reversal of 1230997 is 7990321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703921 + 527076 = 839^2 + 726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230997 - 2⁷ = 1230869 is a prime.

It is a super-2 number, since 2×1230997² = 3030707228018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615498 + 615499.

It is an arithmetic number, because the mean of its divisors is an integer number (615499).

2^1230997 is an apocalyptic number.

It is an amenable number.

1230997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230997 is an equidigital number, since it uses as much as digits as its factorization.

1230997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1230997 is about 1109.5030419066. The cubic root of 1230997 is about 107.1730683905.

The spelling of 1230997 in words is "one million, two hundred thirty thousand, nine hundred ninety-seven".