2421202134 has 64 divisors (see below), whose sum is σ = 5453650944. Its totient is φ = 711021696.

The previous prime is 2421202123. The next prime is 2421202139. The reversal of 2421202134 is 4312021242.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421202134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421202139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998047 + ... + 1000469.

It is an arithmetic number, because the mean of its divisors is an integer number (85213296).

Almost surely, 2^2421202134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421202134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726825472).

2421202134 is an abundant number, since it is smaller than the sum of its proper divisors (3032448810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421202134 is a wasteful number, since it uses less digits than its factorization.

2421202134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2421202134 is about 49205.7124122799. The cubic root of 2421202134 is about 1342.7969599243.

Adding to 2421202134 its reverse (4312021242), we get a palindrome (6733223376).

The spelling of 2421202134 in words is "two billion, four hundred twenty-one million, two hundred two thousand, one hundred thirty-four".