1164450247 has 2 divisors, whose sum is σ = 1164450248. Its totient is φ = 1164450246.

The previous prime is 1164450193. The next prime is 1164450257. The reversal of 1164450247 is 7420544611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1164450247 - 2¹⁵ = 1164417479 is a prime.

It is a super-2 number, since 2×1164450247² = 2711888755476722018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164450257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582225123 + 582225124.

It is an arithmetic number, because the mean of its divisors is an integer number (582225124).

Almost surely, 2^1164450247 is an apocalyptic number.

1164450247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164450247 is an equidigital number, since it uses as much as digits as its factorization.

1164450247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1164450247 is about 34124.0420671409. The cubic root of 1164450247 is about 1052.0595244430.

Adding to 1164450247 its reverse (7420544611), we get a palindrome (8584994858).

The spelling of 1164450247 in words is "one billion, one hundred sixty-four million, four hundred fifty thousand, two hundred forty-seven".