1126872 has 80 divisors (see below), whose sum is σ = 3310560. Its totient is φ = 357696.

The previous prime is 1126861. The next prime is 1126889. The reversal of 1126872 is 2786211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23953 + ... + 23999.

It is an arithmetic number, because the mean of its divisors is an integer number (41382).

2^1126872 is an apocalyptic number.

1126872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655280).

1126872 is an abundant number, since it is smaller than the sum of its proper divisors (2183688).

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

1126872 is a wasteful number, since it uses less digits than its factorization.

1126872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 89 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1126872 is about 1061.5422742406. The cubic root of 1126872 is about 104.0618468427.

It can be divided in two parts, 11 and 26872, that multiplied together give a palindrome (295592).

The spelling of 1126872 in words is "one million, one hundred twenty-six thousand, eight hundred seventy-two".