1271040223 has 8 divisors (see below), whose sum is σ = 1322578368. Its totient is φ = 1220522784.

The previous prime is 1271040203. The next prime is 1271040227. The reversal of 1271040223 is 3220401721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1271040223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1271040194 and 1271040203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271040227) 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, 252636 + ... + 257617.

It is an arithmetic number, because the mean of its divisors is an integer number (165322296).

Almost surely, 2^1271040223 is an apocalyptic number.

1271040223 is a deficient number, since it is larger than the sum of its proper divisors (51538145).

1271040223 is an equidigital number, since it uses as much as digits as its factorization.

1271040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510353.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1271040223 is about 35651.6510557365. The cubic root of 1271040223 is about 1083.2277190505.

Adding to 1271040223 its reverse (3220401721), we get a palindrome (4491441944).

The spelling of 1271040223 in words is "one billion, two hundred seventy-one million, forty thousand, two hundred twenty-three".