1271123 has 16 divisors (see below), whose sum is σ = 1537536. Its totient is φ = 1028160.

The previous prime is 1271117. The next prime is 1271129. The reversal of 1271123 is 3211721.

It is an interprime number because it is at equal distance from previous prime (1271117) and next prime (1271129).

It is not a de Polignac number, because 1271123 - 2⁶ = 1271059 is a prime.

It is a super-2 number, since 2×1271123² = 3231507362258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1271129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12290 + ... + 12392.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

2^1271123 is an apocalyptic number.

1271123 is a deficient number, since it is larger than the sum of its proper divisors (266413).

1271123 is a wasteful number, since it uses less digits than its factorization.

1271123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 84, while the sum is 17.

The square root of 1271123 is about 1127.4409075424. The cubic root of 1271123 is about 108.3251233752.

Adding to 1271123 its reverse (3211721), we get a palindrome (4482844).

The spelling of 1271123 in words is "one million, two hundred seventy-one thousand, one hundred twenty-three".