1102728 has 32 divisors (see below), whose sum is σ = 3008160. Its totient is φ = 334080.

The previous prime is 1102727. The next prime is 1102729. The reversal of 1102728 is 8272011.

It is an interprime number because it is at equal distance from previous prime (1102727) and next prime (1102729).

It is not an unprimeable number, because it can be changed into a prime (1102721) 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, 1825 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (94005).

2^1102728 is an apocalyptic number.

It is an amenable number.

1102728 is an abundant number, since it is smaller than the sum of its proper divisors (1905432).

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

1102728 is a wasteful number, since it uses less digits than its factorization.

1102728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1102728 is about 1050.1085658159. The cubic root of 1102728 is about 103.3132762552.

Adding to 1102728 its reverse (8272011), we get a palindrome (9374739).

It can be divided in two parts, 1102 and 728, that added together give a triangular number (1830 = T₆₀).

The spelling of 1102728 in words is "one million, one hundred two thousand, seven hundred twenty-eight".