1122029999 has 4 divisors (see below), whose sum is σ = 1170813936. Its totient is φ = 1073246064.

The previous prime is 1122029941. The next prime is 1122030001. The reversal of 1122029999 is 9999202211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122029999 - 2¹² = 1122025903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122029299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24391934 + ... + 24391979.

It is an arithmetic number, because the mean of its divisors is an integer number (292703484).

Almost surely, 2^1122029999 is an apocalyptic number.

1122029999 is a deficient number, since it is larger than the sum of its proper divisors (48783937).

1122029999 is an equidigital number, since it uses as much as digits as its factorization.

1122029999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48783936.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1122029999 is about 33496.7162420438. The cubic root of 1122029999 is about 1039.1258677433.

The spelling of 1122029999 in words is "one billion, one hundred twenty-two million, twenty-nine thousand, nine hundred ninety-nine".