4051233121 has 16 divisors (see below), whose sum is σ = 4398202368. Its totient is φ = 3709440000.

The previous prime is 4051233107. The next prime is 4051233149. The reversal of 4051233121 is 1213321504.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4051233121 - 2¹¹ = 4051231073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4051233092 and 4051233101.

It is not an unprimeable number, because it can be changed into a prime (4051233101) 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 15 ways as a sum of consecutive naturals, for example, 836176 + ... + 841006.

It is an arithmetic number, because the mean of its divisors is an integer number (274887648).

Almost surely, 2^4051233121 is an apocalyptic number.

It is an amenable number.

4051233121 is a deficient number, since it is larger than the sum of its proper divisors (346969247).

4051233121 is a wasteful number, since it uses less digits than its factorization.

4051233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4051233121 is about 63649.2978830089. The cubic root of 4051233121 is about 1594.1496134809.

Adding to 4051233121 its reverse (1213321504), we get a palindrome (5264554625).

The spelling of 4051233121 in words is "four billion, fifty-one million, two hundred thirty-three thousand, one hundred twenty-one".