4042310121 has 6 divisors (see below), whose sum is σ = 5838892410. Its totient is φ = 2694873408.

The previous prime is 4042310117. The next prime is 4042310137. The reversal of 4042310121 is 1210132404.

4042310121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3270581721 + 771728400 = 57189^2 + 27780^2 .

It is not a de Polignac number, because 4042310121 - 2² = 4042310117 is a prime.

It is a super-2 number, since 2×4042310121² = 32680542228678069282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4042310094 and 4042310103.

It is not an unprimeable number, because it can be changed into a prime (4042310141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224572776 + ... + 224572793.

It is an arithmetic number, because the mean of its divisors is an integer number (973148735).

Almost surely, 2^4042310121 is an apocalyptic number.

It is an amenable number.

4042310121 is a deficient number, since it is larger than the sum of its proper divisors (1796582289).

4042310121 is a wasteful number, since it uses less digits than its factorization.

4042310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449145575 (or 449145572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4042310121 is about 63579.1642049500. The cubic root of 4042310121 is about 1592.9783607796.

Adding to 4042310121 its reverse (1210132404), we get a palindrome (5252442525).

The spelling of 4042310121 in words is "four billion, forty-two million, three hundred ten thousand, one hundred twenty-one".