1127231 has 4 divisors (see below), whose sum is σ = 1288272. Its totient is φ = 966192.

The previous prime is 1127227. The next prime is 1127239. The reversal of 1127231 is 1327211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1327211 = 41 ⋅32371.

It is a cyclic number.

It is not a de Polignac number, because 1127231 - 2² = 1127227 is a prime.

It is a super-2 number, since 2×1127231² = 2541299454722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127239) 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, 80510 + ... + 80523.

It is an arithmetic number, because the mean of its divisors is an integer number (322068).

2^1127231 is an apocalyptic number.

1127231 is a deficient number, since it is larger than the sum of its proper divisors (161041).

1127231 is an equidigital number, since it uses as much as digits as its factorization.

1127231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161040.

The product of its digits is 84, while the sum is 17.

The square root of 1127231 is about 1061.7113543709. The cubic root of 1127231 is about 104.0728963783.

The spelling of 1127231 in words is "one million, one hundred twenty-seven thousand, two hundred thirty-one".