1109828629 has 32 divisors (see below), whose sum is σ = 1452971520.
Its totient is φ = 822638592.
The previous prime is 1109828617. The next prime is 1109828647. The reversal of 1109828629 is 9268289011.
It is a cyclic number.
It is not a de Polignac number, because 1109828629 - 25 = 1109828597 is a prime.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1109828659) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358912 + ... + 361990.
It is an arithmetic number, because the mean of its divisors is an integer number (45405360).
Almost surely, 21109828629 is an apocalyptic number.
It is an amenable number.
1109828629 is a deficient number, since it is larger than the sum of its proper divisors (343142891).
1109828629 is a wasteful number, since it uses less digits than its factorization.
1109828629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3349.
The product of its (nonzero) digits is 124416, while the sum is 46.
The square root of 1109828629 is about 33314.0905473945.
The cubic root of 1109828629 is about 1035.3455182229.
The spelling of 1109828629 in words is "one billion, one hundred nine million, eight hundred twenty-eight thousand, six hundred twenty-nine".