1029111099 has 32 divisors (see below), whose sum is σ = 1489674240. Its totient is φ = 629540352.

The previous prime is 1029111091. The next prime is 1029111113. The reversal of 1029111099 is 9901119201.

It is not a de Polignac number, because 1029111099 - 2³ = 1029111091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1029111091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380797 + ... + 383489.

It is an arithmetic number, because the mean of its divisors is an integer number (46552320).

Almost surely, 2^1029111099 is an apocalyptic number.

1029111099 is a deficient number, since it is larger than the sum of its proper divisors (460563141).

1029111099 is a wasteful number, since it uses less digits than its factorization.

1029111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 1458, while the sum is 33.

The square root of 1029111099 is about 32079.7615171934. The cubic root of 1029111099 is about 1009.6110318045.

The spelling of 1029111099 in words is "one billion, twenty-nine million, one hundred eleven thousand, ninety-nine".