1264112117 has 4 divisors (see below), whose sum is σ = 1307702220. Its totient is φ = 1220522016.

The previous prime is 1264112093. The next prime is 1264112147. The reversal of 1264112117 is 7112114621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 821051716 + 443060401 = 28654^2 + 21049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264112117 - 2¹⁸ = 1263849973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264112147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21795008 + ... + 21795065.

It is an arithmetic number, because the mean of its divisors is an integer number (326925555).

Almost surely, 2^1264112117 is an apocalyptic number.

It is an amenable number.

1264112117 is a deficient number, since it is larger than the sum of its proper divisors (43590103).

1264112117 is an equidigital number, since it uses as much as digits as its factorization.

1264112117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43590102.

The product of its digits is 672, while the sum is 26.

The square root of 1264112117 is about 35554.3544028014. The cubic root of 1264112117 is about 1081.2560024526.

Adding to 1264112117 its reverse (7112114621), we get a palindrome (8376226738).

The spelling of 1264112117 in words is "one billion, two hundred sixty-four million, one hundred twelve thousand, one hundred seventeen".