1053231 has 4 divisors (see below), whose sum is σ = 1404312. Its totient is φ = 702152.

The previous prime is 1053197. The next prime is 1053233. The reversal of 1053231 is 1323501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1053231 - 2⁷ = 1053103 is a prime.

It is a super-3 number, since 3×1053231³ = 3505033350650176173, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053233) 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, 175536 + ... + 175541.

It is an arithmetic number, because the mean of its divisors is an integer number (351078).

2^1053231 is an apocalyptic number.

1053231 is a deficient number, since it is larger than the sum of its proper divisors (351081).

1053231 is an equidigital number, since it uses as much as digits as its factorization.

1053231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351080.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1053231 is about 1026.2704321961. The cubic root of 1053231 is about 101.7437821562.

Adding to 1053231 its reverse (1323501), we get a palindrome (2376732).

The spelling of 1053231 in words is "one million, fifty-three thousand, two hundred thirty-one".