1121675866 has 4 divisors (see below), whose sum is σ = 1682513802. Its totient is φ = 560837932.

The previous prime is 1121675857. The next prime is 1121675873. The reversal of 1121675866 is 6685761211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1089990225 + 31685641 = 33015^2 + 5629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280418965 + ... + 280418968.

Almost surely, 2^1121675866 is an apocalyptic number.

1121675866 is a deficient number, since it is larger than the sum of its proper divisors (560837936).

1121675866 is an equidigital number, since it uses as much as digits as its factorization.

1121675866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560837935.

The product of its digits is 120960, while the sum is 43.

The square root of 1121675866 is about 33491.4297395617. The cubic root of 1121675866 is about 1039.0165339220.

The spelling of 1121675866 in words is "one billion, one hundred twenty-one million, six hundred seventy-five thousand, eight hundred sixty-six".