1129485105 has 24 divisors (see below), whose sum is σ = 2237456832. Its totient is φ = 516335904.

The previous prime is 1129485079. The next prime is 1129485109. The reversal of 1129485105 is 5015849211.

It is not a de Polignac number, because 1129485105 - 2¹⁴ = 1129468721 is a prime.

It is a super-2 number, since 2×1129485105² = 2551473204833722050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1129485105.

It is not an unprimeable number, because it can be changed into a prime (1129485109) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1792519 + ... + 1793148.

It is an arithmetic number, because the mean of its divisors is an integer number (93227368).

Almost surely, 2^1129485105 is an apocalyptic number.

1129485105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1129485105 is a deficient number, since it is larger than the sum of its proper divisors (1107971727).

1129485105 is a wasteful number, since it uses less digits than its factorization.

1129485105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585685 (or 3585682 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 1129485105 is about 33607.8131540867. The cubic root of 1129485105 is about 1041.4222113369.

The spelling of 1129485105 in words is "one billion, one hundred twenty-nine million, four hundred eighty-five thousand, one hundred five".