1066122099 has 24 divisors (see below), whose sum is σ = 1820638560. Its totient is φ = 588204288.

The previous prime is 1066122089. The next prime is 1066122131. The reversal of 1066122099 is 9902216601.

1066122099 is a `hidden beast` number, since 10 + 6 + 612 + 20 + 9 + 9 = 666.

It is not a de Polignac number, because 1066122099 - 2⁵ = 1066122067 is a prime.

It is a super-2 number, since 2×1066122099² = 2273232659952331602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066122019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289942 + ... + 293595.

It is an arithmetic number, because the mean of its divisors is an integer number (75859940).

Almost surely, 2^1066122099 is an apocalyptic number.

1066122099 is a deficient number, since it is larger than the sum of its proper divisors (754516461).

1066122099 is a wasteful number, since it uses less digits than its factorization.

1066122099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583579 (or 583576 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1066122099 is about 32651.5252170553. The cubic root of 1066122099 is about 1021.5720022014.

The spelling of 1066122099 in words is "one billion, sixty-six million, one hundred twenty-two thousand, ninety-nine".