5202121042 has 8 divisors (see below), whose sum is σ = 8014078476. Its totient is φ = 2530761552.

The previous prime is 5202121033. The next prime is 5202121073. The reversal of 5202121042 is 2401212025.

It can be written as a sum of positive squares in 2 ways, for example, as 5133579201 + 68541841 = 71649^2 + 8279^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35149393 + ... + 35149540.

Almost surely, 2^5202121042 is an apocalyptic number.

5202121042 is a deficient number, since it is larger than the sum of its proper divisors (2811957434).

5202121042 is a wasteful number, since it uses less digits than its factorization.

5202121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70298972.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 5202121042 is about 72125.7307900586. The cubic root of 5202121042 is about 1732.7137337292.

Adding to 5202121042 its reverse (2401212025), we get a palindrome (7603333067).

The spelling of 5202121042 in words is "five billion, two hundred two million, one hundred twenty-one thousand, forty-two".