1143025 has 12 divisors (see below), whose sum is σ = 1526812. Its totient is φ = 843840.

The previous prime is 1143019. The next prime is 1143047. The reversal of 1143025 is 5203411.

It can be written as a sum of positive squares in 6 ways, for example, as 2401 + 1140624 = 49^2 + 1068^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1143025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1434 + ... + 2083.

2^1143025 is an apocalyptic number.

It is an amenable number.

1143025 is a deficient number, since it is larger than the sum of its proper divisors (383787).

1143025 is a wasteful number, since it uses less digits than its factorization.

1143025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1143025 is about 1069.1234727570. The cubic root of 1143025 is about 104.5567101360.

Adding to 1143025 its reverse (5203411), we get a palindrome (6346436).

The spelling of 1143025 in words is "one million, one hundred forty-three thousand, twenty-five".