1430231 has 4 divisors (see below), whose sum is σ = 1560264. Its totient is φ = 1300200.

The previous prime is 1430201. The next prime is 1430237. The reversal of 1430231 is 1320341.

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

It is not a de Polignac number, because 1430231 - 2⁶ = 1430167 is a prime.

It is a super-2 number, since 2×1430231² = 4091121426722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430237) 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, 65000 + ... + 65021.

It is an arithmetic number, because the mean of its divisors is an integer number (390066).

2^1430231 is an apocalyptic number.

1430231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1430231 is a deficient number, since it is larger than the sum of its proper divisors (130033).

1430231 is a wasteful number, since it uses less digits than its factorization.

1430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130032.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1430231 is about 1195.9226563620. The cubic root of 1430231 is about 112.6683832393.

Adding to 1430231 its reverse (1320341), we get a palindrome (2750572).

It can be divided in two parts, 1430 and 231, that added together give a palindrome (1661).

The spelling of 1430231 in words is "one million, four hundred thirty thousand, two hundred thirty-one".