1429231 has 2 divisors, whose sum is σ = 1429232. Its totient is φ = 1429230.

The previous prime is 1429201. The next prime is 1429247. The reversal of 1429231 is 1329241.

It is a strong prime.

It is an emirp because it is prime and its reverse (1329241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1429231 - 2¹³ = 1421039 is a prime.

It is a super-2 number, since 2×1429231² = 4085402502722, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429201) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714615 + 714616.

It is an arithmetic number, because the mean of its divisors is an integer number (714616).

2^1429231 is an apocalyptic number.

1429231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429231 is an equidigital number, since it uses as much as digits as its factorization.

1429231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 1429231 is about 1195.5044960183. The cubic root of 1429231 is about 112.6421183324.

The spelling of 1429231 in words is "one million, four hundred twenty-nine thousand, two hundred thirty-one".