1271233 has 8 divisors (see below), whose sum is σ = 1396800. Its totient is φ = 1151568.

The previous prime is 1271227. The next prime is 1271239. The reversal of 1271233 is 3321721.

It is an interprime number because it is at equal distance from previous prime (1271227) and next prime (1271239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1271233 - 2⁵ = 1271201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1271233.

It is not an unprimeable number, because it can be changed into a prime (1271239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 1891.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2^1271233 is an apocalyptic number.

It is an amenable number.

1271233 is a deficient number, since it is larger than the sum of its proper divisors (125567).

1271233 is a wasteful number, since it uses less digits than its factorization.

1271233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

The product of its digits is 252, while the sum is 19.

The square root of 1271233 is about 1127.4896895316. The cubic root of 1271233 is about 108.3282480190.

Adding to 1271233 its reverse (3321721), we get a palindrome (4592954).

The spelling of 1271233 in words is "one million, two hundred seventy-one thousand, two hundred thirty-three".