1109242104 has 32 divisors (see below), whose sum is σ = 2837598720. Its totient is φ = 361148256.

The previous prime is 1109242087. The next prime is 1109242109. The reversal of 1109242104 is 4012429011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109242109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536392 + ... + 538455.

It is an arithmetic number, because the mean of its divisors is an integer number (88674960).

Almost surely, 2^1109242104 is an apocalyptic number.

It is an amenable number.

1109242104 is an abundant number, since it is smaller than the sum of its proper divisors (1728356616).

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

1109242104 is a wasteful number, since it uses less digits than its factorization.

1109242104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074899 (or 1074895 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1109242104 is about 33305.2864272325. The cubic root of 1109242104 is about 1035.1630987573.

The spelling of 1109242104 in words is "one billion, one hundred nine million, two hundred forty-two thousand, one hundred four".