1149797 has 4 divisors (see below), whose sum is σ = 1254336. Its totient is φ = 1045260.

The previous prime is 1149779. The next prime is 1149803. The reversal of 1149797 is 7979411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1149797 - 2¹⁰ = 1148773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1149797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52253 + ... + 52274.

It is an arithmetic number, because the mean of its divisors is an integer number (313584).

2^1149797 is an apocalyptic number.

It is an amenable number.

1149797 is a deficient number, since it is larger than the sum of its proper divisors (104539).

1149797 is a wasteful number, since it uses less digits than its factorization.

1149797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104538.

The product of its digits is 15876, while the sum is 38.

The square root of 1149797 is about 1072.2858760610. The cubic root of 1149797 is about 104.7627902883.

The spelling of 1149797 in words is "one million, one hundred forty-nine thousand, seven hundred ninety-seven".