573402121 has 8 divisors (see below), whose sum is σ = 629824320. Its totient is φ = 519604272.

The previous prime is 573402103. The next prime is 573402131. The reversal of 573402121 is 121204375.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 573402121 - 2²¹ = 571304969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573402101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655630 + ... + 656503.

It is an arithmetic number, because the mean of its divisors is an integer number (78728040).

Almost surely, 2^573402121 is an apocalyptic number.

It is an amenable number.

573402121 is a deficient number, since it is larger than the sum of its proper divisors (56422199).

573402121 is a wasteful number, since it uses less digits than its factorization.

573402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312175.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 573402121 is about 23945.8163569338. The cubic root of 573402121 is about 830.7807628796.

Adding to 573402121 its reverse (121204375), we get a palindrome (694606496).

The spelling of 573402121 in words is "five hundred seventy-three million, four hundred two thousand, one hundred twenty-one".