1013781105 has 24 divisors (see below), whose sum is σ = 1774289088. Its totient is φ = 535431456.

The previous prime is 1013781089. The next prime is 1013781113. The reversal of 1013781105 is 5011873101.

1013781105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1013781105 - 2⁴ = 1013781089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104727 + ... + 113996.

It is an arithmetic number, because the mean of its divisors is an integer number (73928712).

Almost surely, 2^1013781105 is an apocalyptic number.

1013781105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013781105 is a deficient number, since it is larger than the sum of its proper divisors (760507983).

1013781105 is a wasteful number, since it uses less digits than its factorization.

1013781105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218837 (or 218834 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

The square root of 1013781105 is about 31839.9294126102. The cubic root of 1013781105 is about 1004.5727596634.

The spelling of 1013781105 in words is "one billion, thirteen million, seven hundred eighty-one thousand, one hundred five".