1080575729 has 2 divisors, whose sum is σ = 1080575730. Its totient is φ = 1080575728.

The previous prime is 1080575701. The next prime is 1080575827. The reversal of 1080575729 is 9275750801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706230625 + 374345104 = 26575^2 + 19348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080575729 is a prime.

It is a super-2 number, since 2×1080575729² = 2335287812207762882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1080575729.

It is not a weakly prime, because it can be changed into another prime (1080575329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540287864 + 540287865.

It is an arithmetic number, because the mean of its divisors is an integer number (540287865).

Almost surely, 2^1080575729 is an apocalyptic number.

It is an amenable number.

1080575729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080575729 is an equidigital number, since it uses as much as digits as its factorization.

1080575729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 1080575729 is about 32872.1117210319. Note that the first 3 decimals coincide. The cubic root of 1080575729 is about 1026.1678472388.

The spelling of 1080575729 in words is "one billion, eighty million, five hundred seventy-five thousand, seven hundred twenty-nine".