1123672 has 24 divisors (see below), whose sum is σ = 2318940. Its totient is φ = 506240.

The previous prime is 1123669. The next prime is 1123691. The reversal of 1123672 is 2763211.

1123672 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (22).

Its product of digits (504) is a multiple of the sum of its prime divisors (126).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9888 + ... + 10000.

2^1123672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159470).

1123672 is an abundant number, since it is smaller than the sum of its proper divisors (1195268).

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

1123672 is a wasteful number, since it uses less digits than its factorization.

1123672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 126 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 1123672 is about 1060.0339617201. The cubic root of 1123672 is about 103.9632513161.

Multiplying 1123672 by its sum of digits (22), we get a square (24720784 = 4972²).

1123672 divided by its sum of digits (22) gives a square (51076 = 226²).

Adding to 1123672 its reverse (2763211), we get a palindrome (3886883).

The spelling of 1123672 in words is "one million, one hundred twenty-three thousand, six hundred seventy-two".