1266451158 has 48 divisors (see below), whose sum is σ = 2986850160. Its totient is φ = 356880384.

The previous prime is 1266451127. The next prime is 1266451177. The reversal of 1266451158 is 8511546621.

1266451158 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8043 + ... + 50966.

It is an arithmetic number, because the mean of its divisors is an integer number (62226045).

Almost surely, 2^1266451158 is an apocalyptic number.

1266451158 is an abundant number, since it is smaller than the sum of its proper divisors (1720399002).

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

1266451158 is a wasteful number, since it uses less digits than its factorization.

1266451158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59101 (or 59094 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 1266451158 is about 35587.2330759220. The cubic root of 1266451158 is about 1081.9224897012.

Adding to 1266451158 its reverse (8511546621), we get a palindrome (9777997779).

The spelling of 1266451158 in words is "one billion, two hundred sixty-six million, four hundred fifty-one thousand, one hundred fifty-eight".