109019900 has 36 divisors (see below), whose sum is σ = 258082440. Its totient is φ = 39643200.

The previous prime is 109019893. The next prime is 109019909. The reversal of 109019900 is 9910901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109019909) 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 11 ways as a sum of consecutive naturals, for example, 48455 + ... + 50654.

Almost surely, 2^109019900 is an apocalyptic number.

109019900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109019900 is an abundant number, since it is smaller than the sum of its proper divisors (149062540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109019900 is a wasteful number, since it uses less digits than its factorization.

109019900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99134 (or 99127 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 109019900 is about 10441.2595025696. The cubic root of 109019900 is about 477.7146864991.

The spelling of 109019900 in words is "one hundred nine million, nineteen thousand, nine hundred".