1102661728 has 48 divisors (see below), whose sum is σ = 2538708480. Its totient is φ = 461575296.

The previous prime is 1102661671. The next prime is 1102661731. The reversal of 1102661728 is 8271662011.

It is a junction number, because it is equal to n+sod(n) for n = 1102661693 and 1102661702.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47608 + ... + 66871.

It is an arithmetic number, because the mean of its divisors is an integer number (52889760).

Almost surely, 2^1102661728 is an apocalyptic number.

It is an amenable number.

1102661728 is an abundant number, since it is smaller than the sum of its proper divisors (1436046752).

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

1102661728 is a wasteful number, since it uses less digits than its factorization.

1102661728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114539 (or 114531 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1102661728 is about 33206.3507178973. The cubic root of 1102661728 is about 1033.1120656537.

It can be divided in two parts, 1102661 and 728, that multiplied together give a palindrome (802737208).

The spelling of 1102661728 in words is "one billion, one hundred two million, six hundred sixty-one thousand, seven hundred twenty-eight".