1123014440 has 32 divisors (see below), whose sum is σ = 2532305160. Its totient is φ = 448224000.

The previous prime is 1123014413. The next prime is 1123014443. The reversal of 1123014440 is 444103211.

It can be written as a sum of positive squares in 4 ways, for example, as 385022884 + 737991556 = 19622^2 + 27166^2 .

It is a super-2 number, since 2×1123014440² = 2522322864897027200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1123014443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12011 + ... + 48890.

Almost surely, 2^1123014440 is an apocalyptic number.

1123014440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123014440 is an abundant number, since it is smaller than the sum of its proper divisors (1409290720).

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

1123014440 is a wasteful number, since it uses less digits than its factorization.

1123014440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61373 (or 61369 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1123014440 is about 33511.4076099468. The cubic root of 1123014440 is about 1039.4296799059.

Adding to 1123014440 its reverse (444103211), we get a palindrome (1567117651).

The spelling of 1123014440 in words is "one billion, one hundred twenty-three million, fourteen thousand, four hundred forty".