1072231 has 2 divisors, whose sum is σ = 1072232. Its totient is φ = 1072230.

The previous prime is 1072229. The next prime is 1072301. The reversal of 1072231 is 1322701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1072231 - 2¹ = 1072229 is a prime.

It is a super-2 number, since 2×1072231² = 2299358634722, which contains 22 as substring.

Together with 1072229, it forms a pair of twin primes.

1072231 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536115 + 536116.

It is an arithmetic number, because the mean of its divisors is an integer number (536116).

2^1072231 is an apocalyptic number.

1072231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072231 is an equidigital number, since it uses as much as digits as its factorization.

1072231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1072231 is about 1035.4858762919. The cubic root of 1072231 is about 102.3519496548.

Adding to 1072231 its reverse (1322701), we get a palindrome (2394932).

The spelling of 1072231 in words is "one million, seventy-two thousand, two hundred thirty-one".