1266504260 has 24 divisors (see below), whose sum is σ = 3039610560. Its totient is φ = 434229984.

The previous prime is 1266504251. The next prime is 1266504289. The reversal of 1266504260 is 624056621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4523090 + ... + 4523369.

It is an arithmetic number, because the mean of its divisors is an integer number (126650440).

Almost surely, 2^1266504260 is an apocalyptic number.

1266504260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1266504260 is an abundant number, since it is smaller than the sum of its proper divisors (1773106300).

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

1266504260 is a wasteful number, since it uses less digits than its factorization.

1266504260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046475 (or 9046473 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1266504260 is about 35587.9791502693. The cubic root of 1266504260 is about 1081.9376110753.

The spelling of 1266504260 in words is "one billion, two hundred sixty-six million, five hundred four thousand, two hundred sixty".