1091424096 has 72 divisors (see below), whose sum is σ = 3547134864. Its totient is φ = 311834880.

The previous prime is 1091424073. The next prime is 1091424127. The reversal of 1091424096 is 6904241901.

It is a happy number.

1091424096 is a `hidden beast` number, since 109 + 142 + 409 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1091424096.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 268675 + ... + 272706.

It is an arithmetic number, because the mean of its divisors is an integer number (49265762).

Almost surely, 2^1091424096 is an apocalyptic number.

1091424096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1091424096 is an abundant number, since it is smaller than the sum of its proper divisors (2455710768).

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

1091424096 is a wasteful number, since it uses less digits than its factorization.

1091424096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541404 (or 541393 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1091424096 is about 33036.7083106050. The cubic root of 1091424096 is about 1029.5904665288.

Adding to 1091424096 its reverse (6904241901), we get a palindrome (7995665997).

The spelling of 1091424096 in words is "one billion, ninety-one million, four hundred twenty-four thousand, ninety-six".