1102872 has 16 divisors (see below), whose sum is σ = 2757240. Its totient is φ = 367616.

The previous prime is 1102861. The next prime is 1102879. The reversal of 1102872 is 2782011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102879) by changing a digit.

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, 22953 + ... + 23000.

2^1102872 is an apocalyptic number.

1102872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102872 is an abundant number, since it is smaller than the sum of its proper divisors (1654368).

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

1102872 is a wasteful number, since it uses less digits than its factorization.

1102872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45962 (or 45958 counting only the distinct ones).

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

The square root of 1102872 is about 1050.1771279170. The cubic root of 1102872 is about 103.3177731224.

Adding to 1102872 its reverse (2782011), we get a palindrome (3884883).

The spelling of 1102872 in words is "one million, one hundred two thousand, eight hundred seventy-two".