1123334121 has 16 divisors (see below), whose sum is σ = 1843420544. Its totient is φ = 592527744.

The previous prime is 1123334119. The next prime is 1123334123. The reversal of 1123334121 is 1214333211.

It is an interprime number because it is at equal distance from previous prime (1123334119) and next prime (1123334123).

It is not a de Polignac number, because 1123334121 - 2¹ = 1123334119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1123334123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057116 + ... + 2057661.

It is an arithmetic number, because the mean of its divisors is an integer number (115213784).

Almost surely, 2^1123334121 is an apocalyptic number.

It is an amenable number.

1123334121 is a deficient number, since it is larger than the sum of its proper divisors (720086423).

1123334121 is a wasteful number, since it uses less digits than its factorization.

1123334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114800.

The product of its digits is 432, while the sum is 21.

The square root of 1123334121 is about 33516.1770045451. The cubic root of 1123334121 is about 1039.5282997107.

Adding to 1123334121 its reverse (1214333211), we get a palindrome (2337667332).

It can be divided in two parts, 11233 and 34121, that added together give a palindrome (45354).

The spelling of 1123334121 in words is "one billion, one hundred twenty-three million, three hundred thirty-four thousand, one hundred twenty-one".