7123334121 has 12 divisors (see below), whose sum is σ = 10301773248. Its totient is φ = 4743114264.

The previous prime is 7123334111. The next prime is 7123334129. The reversal of 7123334121 is 1214333217.

It is a happy number.

7123334121 is a `hidden beast` number, since 71 + 233 + 341 + 21 = 666.

It is not a de Polignac number, because 7123334121 - 2¹⁹ = 7122809833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7123334129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473445 + ... + 488258.

It is an arithmetic number, because the mean of its divisors is an integer number (858481104).

Almost surely, 2^7123334121 is an apocalyptic number.

It is an amenable number.

7123334121 is a deficient number, since it is larger than the sum of its proper divisors (3178439127).

7123334121 is a wasteful number, since it uses less digits than its factorization.

7123334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962532 (or 962529 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 7123334121 is about 84399.8466882494. The cubic root of 7123334121 is about 1924.1005858270.

Adding to 7123334121 its reverse (1214333217), we get a palindrome (8337667338).

The spelling of 7123334121 in words is "seven billion, one hundred twenty-three million, three hundred thirty-four thousand, one hundred twenty-one".