1123410040 has 16 divisors (see below), whose sum is σ = 2527672680. Its totient is φ = 449364000.

The previous prime is 1123409993. The next prime is 1123410049. The reversal of 1123410040 is 400143211.

It is a junction number, because it is equal to n+sod(n) for n = 1123409996 and 1123410023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123410049) 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, 14042586 + ... + 14042665.

Almost surely, 2^1123410040 is an apocalyptic number.

1123410040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123410040 is an abundant number, since it is smaller than the sum of its proper divisors (1404262640).

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

1123410040 is a wasteful number, since it uses less digits than its factorization.

1123410040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28085262 (or 28085258 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1123410040 is about 33517.3095578986. The cubic root of 1123410040 is about 1039.5517175492.

Adding to 1123410040 its reverse (400143211), we get a palindrome (1523553251).

The spelling of 1123410040 in words is "one billion, one hundred twenty-three million, four hundred ten thousand, forty".