1271112 has 16 divisors (see below), whose sum is σ = 3177840. Its totient is φ = 423696.

The previous prime is 1271111. The next prime is 1271117. The reversal of 1271112 is 2111721.

It is a junction number, because it is equal to n+sod(n) for n = 1271091 and 1271100.

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, 26458 + ... + 26505.

It is an arithmetic number, because the mean of its divisors is an integer number (198615).

2^1271112 is an apocalyptic number.

1271112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1271112 is an abundant number, since it is smaller than the sum of its proper divisors (1906728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271112 is a wasteful number, since it uses less digits than its factorization.

1271112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52972 (or 52968 counting only the distinct ones).

The product of its digits is 28, while the sum is 15.

The square root of 1271112 is about 1127.4360292274. The cubic root of 1271112 is about 108.3248109009.

Adding to 1271112 its reverse (2111721), we get a palindrome (3382833).

The spelling of 1271112 in words is "one million, two hundred seventy-one thousand, one hundred twelve".