1264597 has 2 divisors, whose sum is σ = 1264598. Its totient is φ = 1264596.

The previous prime is 1264577. The next prime is 1264607. The reversal of 1264597 is 7954621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1234321 + 30276 = 1111^2 + 174^2 .

It is an emirp because it is prime and its reverse (7954621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1264597 - 2¹⁵ = 1231829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632298 + 632299.

It is an arithmetic number, because the mean of its divisors is an integer number (632299).

2^1264597 is an apocalyptic number.

It is an amenable number.

1264597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264597 is an equidigital number, since it uses as much as digits as its factorization.

1264597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 1264597 is about 1124.5430182968. The cubic root of 1264597 is about 108.1394232711.

The spelling of 1264597 in words is "one million, two hundred sixty-four thousand, five hundred ninety-seven".