1102128 has 20 divisors (see below), whose sum is σ = 2847288. Its totient is φ = 367360.

The previous prime is 1102117. The next prime is 1102147. The reversal of 1102128 is 8212011.

It is a super-2 number, since 2×1102128² = 2429372256768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11433 + ... + 11528.

2^1102128 is an apocalyptic number.

It is an amenable number.

1102128 is an abundant number, since it is smaller than the sum of its proper divisors (1745160).

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

1102128 is a wasteful number, since it uses less digits than its factorization.

1102128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22972 (or 22966 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1102128 is about 1049.8228421977. The cubic root of 1102128 is about 103.2945350933.

Adding to 1102128 its reverse (8212011), we get a palindrome (9314139).

The spelling of 1102128 in words is "one million, one hundred two thousand, one hundred twenty-eight".