109120004 has 72 divisors (see below), whose sum is σ = 234118080. Its totient is φ = 43572672.

The previous prime is 109120003. The next prime is 109120043. The reversal of 109120004 is 400021901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 784967 + ... + 785105.

It is an arithmetic number, because the mean of its divisors is an integer number (3251640).

Almost surely, 2^109120004 is an apocalyptic number.

109120004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109120004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117059040).

109120004 is an abundant number, since it is smaller than the sum of its proper divisors (124998076).

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

109120004 is a wasteful number, since it uses less digits than its factorization.

109120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 109120004 is about 10446.0520772204. The cubic root of 109120004 is about 477.8608571270.

Adding to 109120004 its reverse (400021901), we get a palindrome (509141905).

The spelling of 109120004 in words is "one hundred nine million, one hundred twenty thousand, four".