1125826666 has 24 divisors (see below), whose sum is σ = 1798027776. Its totient is φ = 528588480.

The previous prime is 1125826643. The next prime is 1125826687. The reversal of 1125826666 is 6666285211.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281815 + ... + 285781.

It is an arithmetic number, because the mean of its divisors is an integer number (74917824).

Almost surely, 2^1125826666 is an apocalyptic number.

1125826666 is a deficient number, since it is larger than the sum of its proper divisors (672201110).

1125826666 is a wasteful number, since it uses less digits than its factorization.

1125826666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494 (or 4477 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 1125826666 is about 33553.3406086488. The cubic root of 1125826666 is about 1040.2965950172.

The spelling of 1125826666 in words is "one billion, one hundred twenty-five million, eight hundred twenty-six thousand, six hundred sixty-six".