1144197 has 6 divisors (see below), whose sum is σ = 1652742. Its totient is φ = 762792.

The previous prime is 1144193. The next prime is 1144211. The reversal of 1144197 is 7914411.

It can be written as a sum of positive squares in only one way, i.e., 1083681 + 60516 = 1041^2 + 246^2 .

It is not a de Polignac number, because 1144197 - 2² = 1144193 is a prime.

1144197 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63558 + ... + 63575.

It is an arithmetic number, because the mean of its divisors is an integer number (275457).

2^1144197 is an apocalyptic number.

It is an amenable number.

1144197 is a deficient number, since it is larger than the sum of its proper divisors (508545).

1144197 is a wasteful number, since it uses less digits than its factorization.

1144197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127139 (or 127136 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1144197 is about 1069.6714448839. The cubic root of 1144197 is about 104.5924336492.

The spelling of 1144197 in words is "one million, one hundred forty-four thousand, one hundred ninety-seven".