1264503117 has 8 divisors (see below), whose sum is σ = 1687709440. Its totient is φ = 842149440.

The previous prime is 1264503049. The next prime is 1264503139. The reversal of 1264503117 is 7113054621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1264503117 - 2¹⁸ = 1264240973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265503117) 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 7 ways as a sum of consecutive naturals, for example, 209692 + ... + 215637.

It is an arithmetic number, because the mean of its divisors is an integer number (210963680).

Almost surely, 2^1264503117 is an apocalyptic number.

It is an amenable number.

1264503117 is a deficient number, since it is larger than the sum of its proper divisors (423206323).

1264503117 is an equidigital number, since it uses as much as digits as its factorization.

1264503117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426323.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1264503117 is about 35559.8526009319. The cubic root of 1264503117 is about 1081.3674713405.

Adding to 1264503117 its reverse (7113054621), we get a palindrome (8377557738).

The spelling of 1264503117 in words is "one billion, two hundred sixty-four million, five hundred three thousand, one hundred seventeen".