11272123 has 2 divisors, whose sum is σ = 11272124. Its totient is φ = 11272122.

The previous prime is 11272103. The next prime is 11272169. The reversal of 11272123 is 32127211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11272123 - 2⁵ = 11272091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11272123.

It is not a weakly prime, because it can be changed into another prime (11272103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636061 + 5636062.

It is an arithmetic number, because the mean of its divisors is an integer number (5636062).

Almost surely, 2^11272123 is an apocalyptic number.

11272123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272123 is an equidigital number, since it uses as much as digits as its factorization.

11272123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 11272123 is about 3357.3982486443. The cubic root of 11272123 is about 224.2170183661.

Adding to 11272123 its reverse (32127211), we get a palindrome (43399334).

The spelling of 11272123 in words is "eleven million, two hundred seventy-two thousand, one hundred twenty-three".