1088123581 has 2 divisors, whose sum is σ = 1088123582. Its totient is φ = 1088123580.

The previous prime is 1088123563. The next prime is 1088123611. The reversal of 1088123581 is 1853218801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618317956 + 469805625 = 24866^2 + 21675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088123581 - 2⁷ = 1088123453 is a prime.

It is a super-2 number, since 2×1088123581² = 2368025855056527122, 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 1088123581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088123501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544061790 + 544061791.

It is an arithmetic number, because the mean of its divisors is an integer number (544061791).

Almost surely, 2^1088123581 is an apocalyptic number.

It is an amenable number.

1088123581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088123581 is an equidigital number, since it uses as much as digits as its factorization.

1088123581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 1088123581 is about 32986.7182514417. The cubic root of 1088123581 is about 1028.5515761554.

The spelling of 1088123581 in words is "one billion, eighty-eight million, one hundred twenty-three thousand, five hundred eighty-one".