1126771866 has 48 divisors (see below), whose sum is σ = 2819950848. Its totient is φ = 321360000.

The previous prime is 1126771853. The next prime is 1126771907. The reversal of 1126771866 is 6681776211.

It is a super-2 number, since 2×1126771866² = 2539229676018243912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164010 + ... + 170741.

It is an arithmetic number, because the mean of its divisors is an integer number (58748976).

Almost surely, 2^1126771866 is an apocalyptic number.

1126771866 is an abundant number, since it is smaller than the sum of its proper divisors (1693178982).

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

1126771866 is a wasteful number, since it uses less digits than its factorization.

1126771866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334787 (or 334784 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 1126771866 is about 33567.4226892682. The cubic root of 1126771866 is about 1040.5876443480.

The spelling of 1126771866 in words is "one billion, one hundred twenty-six million, seven hundred seventy-one thousand, eight hundred sixty-six".