1121125266 has 32 divisors (see below), whose sum is σ = 2511022080. Its totient is φ = 370763568.

The previous prime is 1121125259. The next prime is 1121125301. The reversal of 1121125266 is 6625211211.

1121125266 is a `hidden beast` number, since 1 + 121 + 12 + 526 + 6 = 666.

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 15 ways as a sum of consecutive naturals, for example, 74881 + ... + 88596.

It is an arithmetic number, because the mean of its divisors is an integer number (78469440).

Almost surely, 2^1121125266 is an apocalyptic number.

1121125266 is an abundant number, since it is smaller than the sum of its proper divisors (1389896814).

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

1121125266 is a wasteful number, since it uses less digits than its factorization.

1121125266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163615 (or 163609 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 1121125266 is about 33483.2087172063. The cubic root of 1121125266 is about 1038.8464978319.

Adding to 1121125266 its reverse (6625211211), we get a palindrome (7746336477).

The spelling of 1121125266 in words is "one billion, one hundred twenty-one million, one hundred twenty-five thousand, two hundred sixty-six".