1082488721 has 16 divisors (see below), whose sum is σ = 1168846848. Its totient is φ = 999570000.

The previous prime is 1082488711. The next prime is 1082488723. The reversal of 1082488721 is 1278842801.

It is a cyclic number.

It is not a de Polignac number, because 1082488721 - 2¹⁰ = 1082487697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082488723) 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, 331346 + ... + 334596.

It is an arithmetic number, because the mean of its divisors is an integer number (73052928).

Almost surely, 2^1082488721 is an apocalyptic number.

It is an amenable number.

1082488721 is a deficient number, since it is larger than the sum of its proper divisors (86358127).

1082488721 is a wasteful number, since it uses less digits than its factorization.

1082488721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 57344, while the sum is 41.

The square root of 1082488721 is about 32901.1963460297. The cubic root of 1082488721 is about 1026.7730473316.

The spelling of 1082488721 in words is "one billion, eighty-two million, four hundred eighty-eight thousand, seven hundred twenty-one".