1088282721 has 16 divisors (see below), whose sum is σ = 1495363968. Its totient is φ = 703574400.

The previous prime is 1088282717. The next prime is 1088282831. The reversal of 1088282721 is 1272828801.

It is not a de Polignac number, because 1088282721 - 2² = 1088282717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1088282721.

It is not an unprimeable number, because it can be changed into a prime (1088282711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5950 + ... + 47031.

It is an arithmetic number, because the mean of its divisors is an integer number (93460248).

Almost surely, 2^1088282721 is an apocalyptic number.

It is an amenable number.

1088282721 is a deficient number, since it is larger than the sum of its proper divisors (407081247).

1088282721 is a wasteful number, since it uses less digits than its factorization.

1088282721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53192.

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1088282721 is about 32989.1303462216. The cubic root of 1088282721 is about 1028.6017162074.

The spelling of 1088282721 in words is "one billion, eighty-eight million, two hundred eighty-two thousand, seven hundred twenty-one".