1123444002 has 16 divisors (see below), whose sum is σ = 2247405120. Its totient is φ = 374395152.

The previous prime is 1123443991. The next prime is 1123444037. The reversal of 1123444002 is 2004443211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123444002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10324 + ... + 48512.

It is an arithmetic number, because the mean of its divisors is an integer number (140462820).

Almost surely, 2^1123444002 is an apocalyptic number.

1123444002 is an abundant number, since it is smaller than the sum of its proper divisors (1123961118).

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

1123444002 is a wasteful number, since it uses less digits than its factorization.

1123444002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43097.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1123444002 is about 33517.8161878127. The cubic root of 1123444002 is about 1039.5621930653.

Adding to 1123444002 its reverse (2004443211), we get a palindrome (3127887213).

The spelling of 1123444002 in words is "one billion, one hundred twenty-three million, four hundred forty-four thousand, two".