4042231121 has 8 divisors (see below), whose sum is σ = 4055633064. Its totient is φ = 4028851840.

The previous prime is 4042231097. The next prime is 4042231129. The reversal of 4042231121 is 1211322404.

It can be written as a sum of positive squares in 4 ways, for example, as 18105025 + 4024126096 = 4255^2 + 63436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4042231121 - 2³⁰ = 2968489297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4042231093 and 4042231102.

It is not an unprimeable number, because it can be changed into a prime (4042231129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397715 + ... + 407751.

It is an arithmetic number, because the mean of its divisors is an integer number (506954133).

Almost surely, 2^4042231121 is an apocalyptic number.

It is an amenable number.

4042231121 is a deficient number, since it is larger than the sum of its proper divisors (13401943).

4042231121 is a wasteful number, since it uses less digits than its factorization.

4042231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4042231121 is about 63578.5429291990. The cubic root of 4042231121 is about 1592.9679833711.

Adding to 4042231121 its reverse (1211322404), we get a palindrome (5253553525).

The spelling of 4042231121 in words is "four billion, forty-two million, two hundred thirty-one thousand, one hundred twenty-one".