1167739247 has 2 divisors, whose sum is σ = 1167739248. Its totient is φ = 1167739246.

The previous prime is 1167739229. The next prime is 1167739249. The reversal of 1167739247 is 7429377611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1167739247 - 2¹⁰ = 1167738223 is a prime.

It is a super-2 number, since 2×1167739247² = 2727229897968254018, which contains 22 as substring.

Together with 1167739249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167739249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583869623 + 583869624.

It is an arithmetic number, because the mean of its divisors is an integer number (583869624).

Almost surely, 2^1167739247 is an apocalyptic number.

1167739247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167739247 is an equidigital number, since it uses as much as digits as its factorization.

1167739247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 47.

The square root of 1167739247 is about 34172.1999145504. The cubic root of 1167739247 is about 1053.0491104662.

The spelling of 1167739247 in words is "one billion, one hundred sixty-seven million, seven hundred thirty-nine thousand, two hundred forty-seven".