1109202948 has 72 divisors (see below), whose sum is σ = 3209693760. Its totient is φ = 316388160.

The previous prime is 1109202943. The next prime is 1109202977. The reversal of 1109202948 is 8492029011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1109202943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163243 + ... + 169901.

It is an arithmetic number, because the mean of its divisors is an integer number (44579080).

Almost surely, 2^1109202948 is an apocalyptic number.

1109202948 is a gapful number since it is divisible by the number (18) 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 1109202948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604846880).

1109202948 is an abundant number, since it is smaller than the sum of its proper divisors (2100490812).

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

1109202948 is a wasteful number, since it uses less digits than its factorization.

1109202948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337 (or 7332 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1109202948 is about 33304.6985874366. The cubic root of 1109202948 is about 1035.1509182715.

The spelling of 1109202948 in words is "one billion, one hundred nine million, two hundred two thousand, nine hundred forty-eight".