109903122 has 128 divisors (see below), whose sum is σ = 294174720. Its totient is φ = 29756160.

The previous prime is 109903117. The next prime is 109903139. The reversal of 109903122 is 221309901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 972538 + ... + 972650.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^109903122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109903122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147087360).

109903122 is an abundant number, since it is smaller than the sum of its proper divisors (184271598).

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

109903122 is a wasteful number, since it uses less digits than its factorization.

109903122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 109903122 is about 10483.4689869337. The cubic root of 109903122 is about 479.0012828245.

The spelling of 109903122 in words is "one hundred nine million, nine hundred three thousand, one hundred twenty-two".