1088021605 has 16 divisors (see below), whose sum is σ = 1499284800. Its totient is φ = 749640960.

The previous prime is 1088021563. The next prime is 1088021609. The reversal of 1088021605 is 5061208801.

It is not a de Polignac number, because 1088021605 - 2¹¹ = 1088019557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088021609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519540 + ... + 521629.

It is an arithmetic number, because the mean of its divisors is an integer number (93705300).

Almost surely, 2^1088021605 is an apocalyptic number.

It is an amenable number.

1088021605 is a deficient number, since it is larger than the sum of its proper divisors (411263195).

1088021605 is a wasteful number, since it uses less digits than its factorization.

1088021605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041204.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1088021605 is about 32985.1725022017. The cubic root of 1088021605 is about 1028.5194441274.

The spelling of 1088021605 in words is "one billion, eighty-eight million, twenty-one thousand, six hundred five".