1144869 has 8 divisors (see below), whose sum is σ = 1665312. Its totient is φ = 693840.

The previous prime is 1144867. The next prime is 1144877. The reversal of 1144869 is 9684411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144869 - 2¹ = 1144867 is a prime.

It is a super-2 number, since 2×1144869² = 2621450054322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 34693 = 1144869 / (1 + 1 + 4 + 4 + 8 + 6 + 9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17314 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (208164).

2^1144869 is an apocalyptic number.

It is an amenable number.

1144869 is a deficient number, since it is larger than the sum of its proper divisors (520443).

1144869 is a wasteful number, since it uses less digits than its factorization.

1144869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34707.

The product of its digits is 6912, while the sum is 33.

The square root of 1144869 is about 1069.9855139206. The cubic root of 1144869 is about 104.6129057532.

The spelling of 1144869 in words is "one million, one hundred forty-four thousand, eight hundred sixty-nine".