1122006999 has 24 divisors (see below), whose sum is σ = 1572762240. Its totient is φ = 710151904.

The previous prime is 1122006997. The next prime is 1122007043. The reversal of 1122006999 is 9996002211.

It is not a de Polignac number, because 1122006999 - 2¹ = 1122006997 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122006997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2677612 + ... + 2678030.

It is an arithmetic number, because the mean of its divisors is an integer number (65531760).

Almost surely, 2^1122006999 is an apocalyptic number.

1122006999 is a deficient number, since it is larger than the sum of its proper divisors (450755241).

1122006999 is an equidigital number, since it uses as much as digits as its factorization.

1122006999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1122006999 is about 33496.3729230494. The cubic root of 1122006999 is about 1039.1187674999.

The spelling of 1122006999 in words is "one billion, one hundred twenty-two million, six thousand, nine hundred ninety-nine".