1144599 has 4 divisors (see below), whose sum is σ = 1526136. Its totient is φ = 763064.

The previous prime is 1144589. The next prime is 1144603. The reversal of 1144599 is 9954411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9954411 = 3 ⋅3318137.

It is a cyclic number.

It is not a de Polignac number, because 1144599 - 2⁸ = 1144343 is a prime.

It is a D-number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190764 + ... + 190769.

It is an arithmetic number, because the mean of its divisors is an integer number (381534).

2^1144599 is an apocalyptic number.

1144599 is a deficient number, since it is larger than the sum of its proper divisors (381537).

1144599 is an equidigital number, since it uses as much as digits as its factorization.

1144599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381536.

The product of its digits is 6480, while the sum is 33.

The square root of 1144599 is about 1069.8593365485. The cubic root of 1144599 is about 104.6046813172.

The spelling of 1144599 in words is "one million, one hundred forty-four thousand, five hundred ninety-nine".