1123211034 has 72 divisors (see below), whose sum is σ = 2743730496. Its totient is φ = 329331600.

The previous prime is 1123210969. The next prime is 1123211039. The reversal of 1123211034 is 4301123211.

1123211034 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1123211034³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123210998 and 1123211016.

It is not an unprimeable number, because it can be changed into a prime (1123211039) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 187327 + ... + 193229.

It is an arithmetic number, because the mean of its divisors is an integer number (38107368).

Almost surely, 2^1123211034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123211034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371865248).

1123211034 is an abundant number, since it is smaller than the sum of its proper divisors (1620519462).

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

1123211034 is a wasteful number, since it uses less digits than its factorization.

1123211034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984 (or 5950 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1123211034 is about 33514.3407215478. The cubic root of 1123211034 is about 1039.4903302734.

Adding to 1123211034 its reverse (4301123211), we get a palindrome (5424334245).

The spelling of 1123211034 in words is "one billion, one hundred twenty-three million, two hundred eleven thousand, thirty-four".