1091035332 has 120 divisors (see below), whose sum is σ = 2988216000. Its totient is φ = 346659264.

The previous prime is 1091035313. The next prime is 1091035349. The reversal of 1091035332 is 2335301901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1091035296 and 1091035305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 779169 + ... + 780567.

It is an arithmetic number, because the mean of its divisors is an integer number (24901800).

Almost surely, 2^1091035332 is an apocalyptic number.

1091035332 is a gapful number since it is divisible by the number (12) 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 1091035332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494108000).

1091035332 is an abundant number, since it is smaller than the sum of its proper divisors (1897180668).

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

1091035332 is a wasteful number, since it uses less digits than its factorization.

1091035332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1091035332 is about 33030.8239679243. The cubic root of 1091035332 is about 1029.4682057003.

The spelling of 1091035332 in words is "one billion, ninety-one million, thirty-five thousand, three hundred thirty-two".