1260450066 has 16 divisors (see below), whose sum is σ = 2589033024. Its totient is φ = 408794544.

The previous prime is 1260450053. The next prime is 1260450073. The reversal of 1260450066 is 6600540621.

It is a Curzon number.

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, 2838630 + ... + 2839073.

It is an arithmetic number, because the mean of its divisors is an integer number (161814564).

Almost surely, 2^1260450066 is an apocalyptic number.

1260450066 is an abundant number, since it is smaller than the sum of its proper divisors (1328582958).

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

1260450066 is a wasteful number, since it uses less digits than its factorization.

1260450066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677745.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1260450066 is about 35502.8177191614. The cubic root of 1260450066 is about 1080.2108830311.

Adding to 1260450066 its reverse (6600540621), we get a palindrome (7860990687).

The spelling of 1260450066 in words is "one billion, two hundred sixty million, four hundred fifty thousand, sixty-six".