1266530502 has 16 divisors (see below), whose sum is σ = 2533662720. Its totient is φ = 422076552.

The previous prime is 1266530501. The next prime is 1266530527. The reversal of 1266530502 is 2050356621.

It is a self number, because there is not a number n which added to its sum of digits gives 1266530502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266530501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5083 + ... + 50585.

It is an arithmetic number, because the mean of its divisors is an integer number (158353920).

Almost surely, 2^1266530502 is an apocalyptic number.

1266530502 is an abundant number, since it is smaller than the sum of its proper divisors (1267132218).

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

1266530502 is a wasteful number, since it uses less digits than its factorization.

1266530502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50147.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1266530502 is about 35588.3478402693. The cubic root of 1266530502 is about 1081.9450836152.

The spelling of 1266530502 in words is "one billion, two hundred sixty-six million, five hundred thirty thousand, five hundred two".