1109696028 has 48 divisors (see below), whose sum is σ = 2982518784. Its totient is φ = 314556480.

The previous prime is 1109696017. The next prime is 1109696039. The reversal of 1109696028 is 8206969011.

It is an interprime number because it is at equal distance from previous prime (1109696017) and next prime (1109696039).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41343 + ... + 62678.

It is an arithmetic number, because the mean of its divisors is an integer number (62135808).

Almost surely, 2^1109696028 is an apocalyptic number.

It is an amenable number.

1109696028 is an abundant number, since it is smaller than the sum of its proper divisors (1872822756).

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

1109696028 is a wasteful number, since it uses less digits than its factorization.

1109696028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104162 (or 104160 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1109696028 is about 33312.1003240564. The cubic root of 1109696028 is about 1035.3042826317.

The spelling of 1109696028 in words is "one billion, one hundred nine million, six hundred ninety-six thousand, twenty-eight".