1088428556 has 24 divisors (see below), whose sum is σ = 2001735120. Its totient is φ = 517188672.

The previous prime is 1088428499. The next prime is 1088428559. The reversal of 1088428556 is 6558248801.

It is a self number, because there is not a number n which added to its sum of digits gives 1088428556.

It is not an unprimeable number, because it can be changed into a prime (1088428559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79151 + ... + 91878.

It is an arithmetic number, because the mean of its divisors is an integer number (83405630).

Almost surely, 2^1088428556 is an apocalyptic number.

It is an amenable number.

1088428556 is a deficient number, since it is larger than the sum of its proper divisors (913306564).

1088428556 is a wasteful number, since it uses less digits than its factorization.

1088428556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171113 (or 171111 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 1088428556 is about 32991.3406214419. The cubic root of 1088428556 is about 1028.6476599769.

The spelling of 1088428556 in words is "one billion, eighty-eight million, four hundred twenty-eight thousand, five hundred fifty-six".