1081159129 has 16 divisors (see below), whose sum is σ = 1135549440. Its totient is φ = 1028298240.

The previous prime is 1081159111. The next prime is 1081159133. The reversal of 1081159129 is 9219511801.

It is a cyclic number.

It is not a de Polignac number, because 1081159129 - 2¹⁷ = 1081028057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081159139) 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, 415657 + ... + 418249.

It is an arithmetic number, because the mean of its divisors is an integer number (70971840).

Almost surely, 2^1081159129 is an apocalyptic number.

It is an amenable number.

1081159129 is a deficient number, since it is larger than the sum of its proper divisors (54390311).

1081159129 is a wasteful number, since it uses less digits than its factorization.

1081159129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880.

The product of its (nonzero) digits is 6480, while the sum is 37.

The square root of 1081159129 is about 32880.9843070429. The cubic root of 1081159129 is about 1026.3524891227.

The spelling of 1081159129 in words is "one billion, eighty-one million, one hundred fifty-nine thousand, one hundred twenty-nine".