1024431 has 4 divisors (see below), whose sum is σ = 1365912. Its totient is φ = 682952.

The previous prime is 1024427. The next prime is 1024433. The reversal of 1024431 is 1344201.

1024431 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344201 = 3 ⋅448067.

It is a cyclic number.

It is not a de Polignac number, because 1024431 - 2² = 1024427 is a prime.

It is a super-2 number, since 2×1024431² = 2098917747522, which contains 22 as substring.

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 1024431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170736 + ... + 170741.

It is an arithmetic number, because the mean of its divisors is an integer number (341478).

2^1024431 is an apocalyptic number.

1024431 is a deficient number, since it is larger than the sum of its proper divisors (341481).

1024431 is an equidigital number, since it uses as much as digits as its factorization.

1024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341480.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1024431 is about 1012.1417884862. The cubic root of 1024431 is about 100.8078233094.

Adding to 1024431 its reverse (1344201), we get a palindrome (2368632).

The spelling of 1024431 in words is "one million, twenty-four thousand, four hundred thirty-one".