1144015 has 16 divisors (see below), whose sum is σ = 1492128. Its totient is φ = 838656.

The previous prime is 1144007. The next prime is 1144019. The reversal of 1144015 is 5104411.

It is a cyclic number.

It is not a de Polignac number, because 1144015 - 2³ = 1144007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144019) 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, 3499 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (93258).

2^1144015 is an apocalyptic number.

1144015 is a deficient number, since it is larger than the sum of its proper divisors (348113).

1144015 is a wasteful number, since it uses less digits than its factorization.

1144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1144015 is about 1069.5863686491. The cubic root of 1144015 is about 104.5868877416.

Adding to 1144015 its reverse (5104411), we get a palindrome (6248426).

The spelling of 1144015 in words is "one million, one hundred forty-four thousand, fifteen".