1080429028 has 72 divisors (see below), whose sum is σ = 2242076760. Its totient is φ = 454164480.

The previous prime is 1080429013. The next prime is 1080429029. The reversal of 1080429028 is 8209240801.

It can be written as a sum of positive squares in 4 ways, for example, as 436893604 + 643535424 = 20902^2 + 25368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1080428984 and 1080429002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080429029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4203876 + ... + 4204132.

It is an arithmetic number, because the mean of its divisors is an integer number (31139955).

Almost surely, 2^1080429028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080429028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121038380).

1080429028 is an abundant number, since it is smaller than the sum of its proper divisors (1161647732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1080429028 is a wasteful number, since it uses less digits than its factorization.

1080429028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1080429028 is about 32869.8802553341. The cubic root of 1080429028 is about 1026.1214069760.

Adding to 1080429028 its reverse (8209240801), we get a palindrome (9289669829).

The spelling of 1080429028 in words is "one billion, eighty million, four hundred twenty-nine thousand, twenty-eight".