1143459 has 6 divisors (see below), whose sum is σ = 1651676. Its totient is φ = 762300.

The previous prime is 1143433. The next prime is 1143469. The reversal of 1143459 is 9543411.

It is a de Polignac number, because none of the positive numbers 2^k-1143459 is a prime.

It is a Duffinian number.

1143459 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1143469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63517 + ... + 63534.

2^1143459 is an apocalyptic number.

1143459 is a deficient number, since it is larger than the sum of its proper divisors (508217).

1143459 is a wasteful number, since it uses less digits than its factorization.

1143459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127057 (or 127054 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1143459 is about 1069.3264235022. The cubic root of 1143459 is about 104.5699416548.

The spelling of 1143459 in words is "one million, one hundred forty-three thousand, four hundred fifty-nine".