1271273 has 8 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 1205008.

The previous prime is 1271251. The next prime is 1271293. The reversal of 1271273 is 3721721.

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

It is not a de Polignac number, because 1271273 - 2¹⁰ = 1270249 is a prime.

It is a super-2 number, since 2×1271273² = 3232270081058, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1271203) 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, 1340 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

2^1271273 is an apocalyptic number.

It is an amenable number.

1271273 is a deficient number, since it is larger than the sum of its proper divisors (67927).

1271273 is an equidigital number, since it uses as much as digits as its factorization.

1271273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its digits is 588, while the sum is 23.

The square root of 1271273 is about 1127.5074279134. The cubic root of 1271273 is about 108.3293842084.

Adding to 1271273 its reverse (3721721), we get a palindrome (4992994).

The spelling of 1271273 in words is "one million, two hundred seventy-one thousand, two hundred seventy-three".