1080109629 has 12 divisors (see below), whose sum is σ = 1560461500. Its totient is φ = 719933184.

The previous prime is 1080109621. The next prime is 1080109673. The reversal of 1080109629 is 9269010801.

1080109629 is a `hidden beast` number, since 10 + 8 + 0 + 10 + 9 + 629 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 643383225 + 436726404 = 25365^2 + 20898^2 .

It is not a de Polignac number, because 1080109629 - 2³ = 1080109621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080109593 and 1080109602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080109621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61197 + ... + 76845.

Almost surely, 2^1080109629 is an apocalyptic number.

It is an amenable number.

1080109629 is a deficient number, since it is larger than the sum of its proper divisors (480351871).

1080109629 is a wasteful number, since it uses less digits than its factorization.

1080109629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23324 (or 23321 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1080109629 is about 32865.0213601026. The cubic root of 1080109629 is about 1026.0202821931.

The spelling of 1080109629 in words is "one billion, eighty million, one hundred nine thousand, six hundred twenty-nine".