1122439147 has 2 divisors, whose sum is σ = 1122439148. Its totient is φ = 1122439146.

The previous prime is 1122439099. The next prime is 1122439177. The reversal of 1122439147 is 7419342211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122439147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122439177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561219573 + 561219574.

It is an arithmetic number, because the mean of its divisors is an integer number (561219574).

Almost surely, 2^1122439147 is an apocalyptic number.

1122439147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122439147 is an equidigital number, since it uses as much as digits as its factorization.

1122439147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 1122439147 is about 33502.8229706095. The cubic root of 1122439147 is about 1039.2521580694.

The spelling of 1122439147 in words is "one billion, one hundred twenty-two million, four hundred thirty-nine thousand, one hundred forty-seven".