1144311 has 16 divisors (see below), whose sum is σ = 1804800. Its totient is φ = 631008.

The previous prime is 1144301. The next prime is 1144327. The reversal of 1144311 is 1134411.

It is not a de Polignac number, because 1144311 - 2⁵ = 1144279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144301) 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, 331 + ... + 1548.

It is an arithmetic number, because the mean of its divisors is an integer number (112800).

2^1144311 is an apocalyptic number.

1144311 is a deficient number, since it is larger than the sum of its proper divisors (660489).

1144311 is a wasteful number, since it uses less digits than its factorization.

1144311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its digits is 48, while the sum is 15.

The square root of 1144311 is about 1069.7247309472. The cubic root of 1144311 is about 104.5959071599.

Adding to 1144311 its reverse (1134411), we get a palindrome (2278722).

The spelling of 1144311 in words is "one million, one hundred forty-four thousand, three hundred eleven".