1226327143 has 2 divisors, whose sum is σ = 1226327144. Its totient is φ = 1226327142.

The previous prime is 1226327129. The next prime is 1226327237. The reversal of 1226327143 is 3417236221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1226327143 - 2¹⁷ = 1226196071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226321143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613163571 + 613163572.

It is an arithmetic number, because the mean of its divisors is an integer number (613163572).

Almost surely, 2^1226327143 is an apocalyptic number.

1226327143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226327143 is an equidigital number, since it uses as much as digits as its factorization.

1226327143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 1226327143 is about 35018.9540534837. The cubic root of 1226327143 is about 1070.3737428489.

The spelling of 1226327143 in words is "one billion, two hundred twenty-six million, three hundred twenty-seven thousand, one hundred forty-three".