1091626112 has 32 divisors (see below), whose sum is σ = 2189164800. Its totient is φ = 542188800.

The previous prime is 1091626111. The next prime is 1091626121. The reversal of 1091626112 is 2116261901.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1091626111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8912 + ... + 47567.

It is an arithmetic number, because the mean of its divisors is an integer number (68411400).

Almost surely, 2^1091626112 is an apocalyptic number.

It is an amenable number.

1091626112 is an abundant number, since it is smaller than the sum of its proper divisors (1097538688).

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

1091626112 is an equidigital number, since it uses as much as digits as its factorization.

1091626112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56644 (or 56632 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1091626112 is about 33039.7656166021. The cubic root of 1091626112 is about 1029.6539862663.

The spelling of 1091626112 in words is "one billion, ninety-one million, six hundred twenty-six thousand, one hundred twelve".