1088821012 has 24 divisors (see below), whose sum is σ = 1989864576. Its totient is φ = 520326048.

The previous prime is 1088821003. The next prime is 1088821031. The reversal of 1088821012 is 2101288801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133393 + ... + 141319.

It is an arithmetic number, because the mean of its divisors is an integer number (82911024).

Almost surely, 2^1088821012 is an apocalyptic number.

It is an amenable number.

1088821012 is a deficient number, since it is larger than the sum of its proper divisors (901043564).

1088821012 is a wasteful number, since it uses less digits than its factorization.

1088821012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447 (or 9445 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 1088821012 is about 32997.2879491633. The cubic root of 1088821012 is about 1028.7712786970.

The spelling of 1088821012 in words is "one billion, eighty-eight million, eight hundred twenty-one thousand, twelve".