1080919385 has 32 divisors (see below), whose sum is σ = 1665861120. Its totient is φ = 654432768.

The previous prime is 1080919379. The next prime is 1080919393. The reversal of 1080919385 is 5839190801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1080919385 - 2¹⁴ = 1080903001 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41180 + ... + 62109.

It is an arithmetic number, because the mean of its divisors is an integer number (52058160).

Almost surely, 2^1080919385 is an apocalyptic number.

It is an amenable number.

1080919385 is a deficient number, since it is larger than the sum of its proper divisors (584941735).

1080919385 is a wasteful number, since it uses less digits than its factorization.

1080919385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103337.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1080919385 is about 32877.3384719627. The cubic root of 1080919385 is about 1026.2766199206.

The spelling of 1080919385 in words is "one billion, eighty million, nine hundred nineteen thousand, three hundred eighty-five".