1120872 has 16 divisors (see below), whose sum is σ = 2802240. Its totient is φ = 373616.

The previous prime is 1120871. The next prime is 1120883. The reversal of 1120872 is 2780211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23328 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (175140).

2^1120872 is an apocalyptic number.

1120872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120872 is an abundant number, since it is smaller than the sum of its proper divisors (1681368).

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

1120872 is a wasteful number, since it uses less digits than its factorization.

1120872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46712 (or 46708 counting only the distinct ones).

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

The square root of 1120872 is about 1058.7124255434. The cubic root of 1120872 is about 103.8768265625.

The spelling of 1120872 in words is "one million, one hundred twenty thousand, eight hundred seventy-two".