1144779 has 16 divisors (see below), whose sum is σ = 1631232. Its totient is φ = 712448.

The previous prime is 1144757. The next prime is 1144783. The reversal of 1144779 is 9774411.

1144779 = 212² + 213² + ... + 234².

It is not a de Polignac number, because 1144779 - 2⁸ = 1144523 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1144739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067 + ... + 3419.

It is an arithmetic number, because the mean of its divisors is an integer number (101952).

2^1144779 is an apocalyptic number.

1144779 is a deficient number, since it is larger than the sum of its proper divisors (486453).

1144779 is a wasteful number, since it uses less digits than its factorization.

1144779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 7056, while the sum is 33.

The square root of 1144779 is about 1069.9434564499. The cubic root of 1144779 is about 104.6101644182.

The spelling of 1144779 in words is "one million, one hundred forty-four thousand, seven hundred seventy-nine".