1266105060 has 96 divisors (see below), whose sum is σ = 4297104000. Its totient is φ = 306933120.

The previous prime is 1266105059. The next prime is 1266105077. The reversal of 1266105060 is 605016621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100635 + ... + 112514.

It is an arithmetic number, because the mean of its divisors is an integer number (44761500).

Almost surely, 2^1266105060 is an apocalyptic number.

1266105060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1266105060 is an abundant number, since it is smaller than the sum of its proper divisors (3030998940).

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

1266105060 is a wasteful number, since it uses less digits than its factorization.

1266105060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213178 (or 213170 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1266105060 is about 35582.3700728324. The cubic root of 1266105060 is about 1081.8239241617.

The spelling of 1266105060 in words is "one billion, two hundred sixty-six million, one hundred five thousand, sixty".