1271113 has 4 divisors (see below), whose sum is σ = 1289088. Its totient is φ = 1253140.

The previous prime is 1271111. The next prime is 1271117. The reversal of 1271113 is 3111721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1271113 - 2¹ = 1271111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1271111) 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, 8881 + ... + 9022.

It is an arithmetic number, because the mean of its divisors is an integer number (322272).

2^1271113 is an apocalyptic number.

It is an amenable number.

1271113 is a deficient number, since it is larger than the sum of its proper divisors (17975).

1271113 is an equidigital number, since it uses as much as digits as its factorization.

1271113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974.

The product of its digits is 42, while the sum is 16.

The square root of 1271113 is about 1127.4364727114. The cubic root of 1271113 is about 108.3248393077.

Adding to 1271113 its reverse (3111721), we get a palindrome (4382834).

The spelling of 1271113 in words is "one million, two hundred seventy-one thousand, one hundred thirteen".