1264265076 has 48 divisors (see below), whose sum is σ = 3023818560. Its totient is φ = 410995200.

The previous prime is 1264265029. The next prime is 1264265087. The reversal of 1264265076 is 6705624621.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73420 + ... + 88988.

It is an arithmetic number, because the mean of its divisors is an integer number (62996220).

Almost surely, 2^1264265076 is an apocalyptic number.

It is an amenable number.

1264265076 is an abundant number, since it is smaller than the sum of its proper divisors (1759553484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264265076 is a wasteful number, since it uses less digits than its factorization.

1264265076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15744 (or 15742 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1264265076 is about 35556.5053963406. The cubic root of 1264265076 is about 1081.2996117613.

Adding to 1264265076 its reverse (6705624621), we get a palindrome (7969889697).

The spelling of 1264265076 in words is "one billion, two hundred sixty-four million, two hundred sixty-five thousand, seventy-six".