1144871 has 16 divisors (see below), whose sum is σ = 1473024. Its totient is φ = 864864.

The previous prime is 1144867. The next prime is 1144877. The reversal of 1144871 is 1784411.

It is not a de Polignac number, because 1144871 - 2² = 1144867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144877) 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, 1820 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (92064).

2^1144871 is an apocalyptic number.

1144871 is a deficient number, since it is larger than the sum of its proper divisors (328153).

1144871 is a wasteful number, since it uses less digits than its factorization.

1144871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 896, while the sum is 26.

The square root of 1144871 is about 1069.9864485123. The cubic root of 1144871 is about 104.6129666701.

The spelling of 1144871 in words is "one million, one hundred forty-four thousand, eight hundred seventy-one".