1111194240 has 128 divisors (see below), whose sum is σ = 3814473600. Its totient is φ = 273518592.

The previous prime is 1111194221. The next prime is 1111194311. The reversal of 1111194240 is 424911111.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1111194240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2701 + ... + 47219.

It is an arithmetic number, because the mean of its divisors is an integer number (29800575).

Almost surely, 2^1111194240 is an apocalyptic number.

1111194240 is a gapful number since it is divisible by the number (10) 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 1111194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907236800).

1111194240 is an abundant number, since it is smaller than the sum of its proper divisors (2703279360).

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

1111194240 is a wasteful number, since it uses less digits than its factorization.

1111194240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44554 (or 44542 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1111194240 is about 33334.5802433449. The cubic root of 1111194240 is about 1035.7699980857.

The spelling of 1111194240 in words is "one billion, one hundred eleven million, one hundred ninety-four thousand, two hundred forty".