1264500760 has 32 divisors (see below), whose sum is σ = 2846566800. Its totient is φ = 505544320.

The previous prime is 1264500751. The next prime is 1264500779. The reversal of 1264500760 is 670054621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85515 + ... + 99205.

Almost surely, 2^1264500760 is an apocalyptic number.

1264500760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264500760 is an abundant number, since it is smaller than the sum of its proper divisors (1582066040).

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

1264500760 is a wasteful number, since it uses less digits than its factorization.

1264500760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16011 (or 16007 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1264500760 is about 35559.8194596092. The cubic root of 1264500760 is about 1081.3667994600.

The spelling of 1264500760 in words is "one billion, two hundred sixty-four million, five hundred thousand, seven hundred sixty".