1088394129 has 6 divisors (see below), whose sum is σ = 1572124866. Its totient is φ = 725596080.

The previous prime is 1088394127. The next prime is 1088394137. The reversal of 1088394129 is 9214938801.

It can be written as a sum of positive squares in only one way, i.e., 1032144129 + 56250000 = 32127^2 + 7500^2 .

It is not a de Polignac number, because 1088394129 - 2¹ = 1088394127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1088394121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60466332 + ... + 60466349.

It is an arithmetic number, because the mean of its divisors is an integer number (262020811).

Almost surely, 2^1088394129 is an apocalyptic number.

It is an amenable number.

1088394129 is a deficient number, since it is larger than the sum of its proper divisors (483730737).

1088394129 is a wasteful number, since it uses less digits than its factorization.

1088394129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120932687 (or 120932684 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1088394129 is about 32990.8188591917. The cubic root of 1088394129 is about 1028.6368144859.

The spelling of 1088394129 in words is "one billion, eighty-eight million, three hundred ninety-four thousand, one hundred twenty-nine".