1088123381 has 2 divisors, whose sum is σ = 1088123382. Its totient is φ = 1088123380.

The previous prime is 1088123321. The next prime is 1088123383. The reversal of 1088123381 is 1833218801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 831803281 + 256320100 = 28841^2 + 16010^2 .

It is an emirp because it is prime and its reverse (1833218801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1088123381 is a prime.

It is a super-2 number, since 2×1088123381² = 2368024984557742322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1088123383, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088123383) 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, 544061690 + 544061691.

It is an arithmetic number, because the mean of its divisors is an integer number (544061691).

Almost surely, 2^1088123381 is an apocalyptic number.

It is an amenable number.

1088123381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088123381 is an equidigital number, since it uses as much as digits as its factorization.

1088123381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1088123381 is about 32986.7152199185. The cubic root of 1088123381 is about 1028.5515131386.

The spelling of 1088123381 in words is "one billion, eighty-eight million, one hundred twenty-three thousand, three hundred eighty-one".