1080221293 has 8 divisors (see below), whose sum is σ = 1144852920. Its totient is φ = 1015710720.

The previous prime is 1080221291. The next prime is 1080221309. The reversal of 1080221293 is 3921220801.

It can be written as a sum of positive squares in 4 ways, for example, as 82482724 + 997738569 = 9082^2 + 31587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1080221293 - 2¹ = 1080221291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080221291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11548 + ... + 47893.

It is an arithmetic number, because the mean of its divisors is an integer number (143106615).

Almost surely, 2^1080221293 is an apocalyptic number.

It is an amenable number.

1080221293 is a deficient number, since it is larger than the sum of its proper divisors (64631627).

1080221293 is a wasteful number, since it uses less digits than its factorization.

1080221293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60527.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1080221293 is about 32866.7201436347. The cubic root of 1080221293 is about 1026.0556383514.

The spelling of 1080221293 in words is "one billion, eighty million, two hundred twenty-one thousand, two hundred ninety-three".