1079845321 has 9 divisors (see below), whose sum is σ = 1147695861. Its totient is φ = 1015799232.

The previous prime is 1079845309. The next prime is 1079845337. The reversal of 1079845321 is 1235489701.

The square root of 1079845321 is 32861.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 230705721 + 849139600 = 15189^2 + 29140^2 .

It is not a de Polignac number, because 1079845321 - 2⁹ = 1079844809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1079845301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 557671 + ... + 559603.

Almost surely, 2^1079845321 is an apocalyptic number.

1079845321 is the 32861-st square number.

1079845321 is the 16431-st centered octagonal number.

It is an amenable number.

1079845321 is a deficient number, since it is larger than the sum of its proper divisors (67850540).

1079845321 is an frugal number, since it uses more digits than its factorization.

1079845321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The cubic root of 1079845321 is about 1025.9365846731.

It can be divided in two parts, 1079 and 845321, that added together give a square (846400 = 920²).

The spelling of 1079845321 in words is "one billion, seventy-nine million, eight hundred forty-five thousand, three hundred twenty-one".