1088411921 has 2 divisors, whose sum is σ = 1088411922. Its totient is φ = 1088411920.

The previous prime is 1088411899. The next prime is 1088412089. The reversal of 1088411921 is 1291148801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963419521 + 124992400 = 31039^2 + 11180^2 .

It is an emirp because it is prime and its reverse (1291148801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1088411921 - 2¹⁴ = 1088395537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1088411521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544205960 + 544205961.

It is an arithmetic number, because the mean of its divisors is an integer number (544205961).

Almost surely, 2^1088411921 is an apocalyptic number.

It is an amenable number.

1088411921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088411921 is an equidigital number, since it uses as much as digits as its factorization.

1088411921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 1088411921 is about 32991.0885088686. The cubic root of 1088411921 is about 1028.6424195040.

The spelling of 1088411921 in words is "one billion, eighty-eight million, four hundred eleven thousand, nine hundred twenty-one".