1123408 has 40 divisors (see below), whose sum is σ = 2562336. Its totient is φ = 470400.

The previous prime is 1123403. The next prime is 1123427. The reversal of 1123408 is 8043211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123403) 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, 2043 + ... + 2533.

2^1123408 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 1123408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281168).

1123408 is an abundant number, since it is smaller than the sum of its proper divisors (1438928).

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

1123408 is a wasteful number, since it uses less digits than its factorization.

1123408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1123408 is about 1059.9094300930. The cubic root of 1123408 is about 103.9551088308.

Adding to 1123408 its product of nonzero digits (192), we get a square (1123600 = 1060²).

Adding to 1123408 its reverse (8043211), we get a palindrome (9166619).

The spelling of 1123408 in words is "one million, one hundred twenty-three thousand, four hundred eight".