1264197 has 16 divisors (see below), whose sum is σ = 1903680. Its totient is φ = 739200.

The previous prime is 1264189. The next prime is 1264199. The reversal of 1264197 is 7914621.

It is a happy number.

It is not a de Polignac number, because 1264197 - 2³ = 1264189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297 + ... + 1617.

It is an arithmetic number, because the mean of its divisors is an integer number (118980).

2^1264197 is an apocalyptic number.

It is an amenable number.

1264197 is a deficient number, since it is larger than the sum of its proper divisors (639483).

1264197 is a wasteful number, since it uses less digits than its factorization.

1264197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its digits is 3024, while the sum is 30.

The square root of 1264197 is about 1124.3651542093. The cubic root of 1264197 is about 108.1280203417.

The spelling of 1264197 in words is "one million, two hundred sixty-four thousand, one hundred ninety-seven".