109021418 has 8 divisors (see below), whose sum is σ = 178398720. Its totient is φ = 49555180.

The previous prime is 109021417. The next prime is 109021427. The reversal of 109021418 is 814120901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (109021417) 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, 2477738 + ... + 2477781.

It is an arithmetic number, because the mean of its divisors is an integer number (22299840).

Almost surely, 2^109021418 is an apocalyptic number.

109021418 is a deficient number, since it is larger than the sum of its proper divisors (69377302).

109021418 is a wasteful number, since it uses less digits than its factorization.

109021418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955532.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 109021418 is about 10441.3321946962. The cubic root of 109021418 is about 477.7169037320.

The spelling of 109021418 in words is "one hundred nine million, twenty-one thousand, four hundred eighteen".