4121242452 has 36 divisors (see below), whose sum is σ = 10440422356. Its totient is φ = 1370736000.

The previous prime is 4121242429. The next prime is 4121242457. The reversal of 4121242452 is 2542421214.

It is a happy number.

4121242452 is a `hidden beast` number, since 412 + 1 + 2 + 4 + 245 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3671632836 + 449609616 = 60594^2 + 21204^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121242457) 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 11 ways as a sum of consecutive naturals, for example, 108799 + ... + 141702.

Almost surely, 2^4121242452 is an apocalyptic number.

It is an amenable number.

4121242452 is an abundant number, since it is smaller than the sum of its proper divisors (6319179904).

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

4121242452 is a wasteful number, since it uses less digits than its factorization.

4121242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250968 (or 250963 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4121242452 is about 64196.9037571128. The cubic root of 4121242452 is about 1603.2800488091.

Adding to 4121242452 its reverse (2542421214), we get a palindrome (6663663666).

The spelling of 4121242452 in words is "four billion, one hundred twenty-one million, two hundred forty-two thousand, four hundred fifty-two".