1264113285 has 16 divisors (see below), whose sum is σ = 2141557056. Its totient is φ = 634535168.

The previous prime is 1264113283. The next prime is 1264113337. The reversal of 1264113285 is 5823114621.

It is a cyclic number.

It is not a de Polignac number, because 1264113285 - 2¹ = 1264113283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264113283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2478399 + ... + 2478908.

It is an arithmetic number, because the mean of its divisors is an integer number (133847316).

Almost surely, 2^1264113285 is an apocalyptic number.

1264113285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1264113285 is a deficient number, since it is larger than the sum of its proper divisors (877443771).

1264113285 is a wasteful number, since it uses less digits than its factorization.

1264113285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957332.

The product of its digits is 11520, while the sum is 33.

The square root of 1264113285 is about 35554.3708283525. The cubic root of 1264113285 is about 1081.2563354680.

The spelling of 1264113285 in words is "one billion, two hundred sixty-four million, one hundred thirteen thousand, two hundred eighty-five".