1091051484 has 12 divisors (see below), whose sum is σ = 2545786824. Its totient is φ = 363683824.

The previous prime is 1091051477. The next prime is 1091051509. The reversal of 1091051484 is 4841501901.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 45460467 + ... + 45460490.

It is an arithmetic number, because the mean of its divisors is an integer number (212148902).

Almost surely, 2^1091051484 is an apocalyptic number.

It is an amenable number.

1091051484 is an abundant number, since it is smaller than the sum of its proper divisors (1454735340).

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

1091051484 is a wasteful number, since it uses less digits than its factorization.

1091051484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90920964 (or 90920962 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1091051484 is about 33031.0684659155. The cubic root of 1091051484 is about 1029.4732858561.

The spelling of 1091051484 in words is "one billion, ninety-one million, fifty-one thousand, four hundred eighty-four".