109029789 has 24 divisors (see below), whose sum is σ = 181913472. Its totient is φ = 62190720.

The previous prime is 109029779. The next prime is 109029797. The reversal of 109029789 is 987920901.

It is not a de Polignac number, because 109029789 - 2¹¹ = 109027741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109029709) 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, 30709 + ... + 34074.

It is an arithmetic number, because the mean of its divisors is an integer number (7579728).

Almost surely, 2^109029789 is an apocalyptic number.

It is an amenable number.

109029789 is a deficient number, since it is larger than the sum of its proper divisors (72883683).

109029789 is a wasteful number, since it uses less digits than its factorization.

109029789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64817 (or 64814 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 109029789 is about 10441.7330458119. The cubic root of 109029789 is about 477.7291302771.

The spelling of 109029789 in words is "one hundred nine million, twenty-nine thousand, seven hundred eighty-nine".