4130021242 has 8 divisors (see below), whose sum is σ = 6559445556. Its totient is φ = 1943539392.

The previous prime is 4130021117. The next prime is 4130021249. The reversal of 4130021242 is 2421200314.

It can be written as a sum of positive squares in 2 ways, for example, as 3831733801 + 298287441 = 61901^2 + 17271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4130021249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60735573 + ... + 60735640.

Almost surely, 2^4130021242 is an apocalyptic number.

4130021242 is a deficient number, since it is larger than the sum of its proper divisors (2429424314).

4130021242 is a wasteful number, since it uses less digits than its factorization.

4130021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121471232.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4130021242 is about 64265.2413206393. The cubic root of 4130021242 is about 1604.4176407744.

Adding to 4130021242 its reverse (2421200314), we get a palindrome (6551221556).

The spelling of 4130021242 in words is "four billion, one hundred thirty million, twenty-one thousand, two hundred forty-two".