1090692012 has 24 divisors (see below), whose sum is σ = 2577164800. Its totient is φ = 358961616.

The previous prime is 1090691977. The next prime is 1090692023. The reversal of 1090692012 is 2102960901.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 574312 + ... + 576207.

Almost surely, 2^1090692012 is an apocalyptic number.

1090692012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1090692012 is an abundant number, since it is smaller than the sum of its proper divisors (1486472788).

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

1090692012 is a wasteful number, since it uses less digits than its factorization.

1090692012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150605 (or 1150603 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1090692012 is about 33025.6265951155. The cubic root of 1090692012 is about 1029.3602122214.

The spelling of 1090692012 in words is "one billion, ninety million, six hundred ninety-two thousand, twelve".