11274143 has 2 divisors, whose sum is σ = 11274144. Its totient is φ = 11274142.

The previous prime is 11274119. The next prime is 11274149. The reversal of 11274143 is 34147211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11274143 - 2⁶ = 11274079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11274149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637071 + 5637072.

It is an arithmetic number, because the mean of its divisors is an integer number (5637072).

Almost surely, 2^11274143 is an apocalyptic number.

11274143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11274143 is an equidigital number, since it uses as much as digits as its factorization.

11274143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 11274143 is about 3357.6990633468. The cubic root of 11274143 is about 224.2304110318.

The spelling of 11274143 in words is "eleven million, two hundred seventy-four thousand, one hundred forty-three".