1162138247 has 2 divisors, whose sum is σ = 1162138248. Its totient is φ = 1162138246.

The previous prime is 1162138231. The next prime is 1162138331. The reversal of 1162138247 is 7428312611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162138247 - 2⁴ = 1162138231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162138147) 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, 581069123 + 581069124.

It is an arithmetic number, because the mean of its divisors is an integer number (581069124).

Almost surely, 2^1162138247 is an apocalyptic number.

1162138247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162138247 is an equidigital number, since it uses as much as digits as its factorization.

1162138247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 1162138247 is about 34090.1488263105. The cubic root of 1162138247 is about 1051.3627798600.

The spelling of 1162138247 in words is "one billion, one hundred sixty-two million, one hundred thirty-eight thousand, two hundred forty-seven".