530203121 has 8 divisors (see below), whose sum is σ = 608819904. Its totient is φ = 452304720.

The previous prime is 530203117. The next prime is 530203139. The reversal of 530203121 is 121302035.

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

It is not a de Polignac number, because 530203121 - 2² = 530203117 is a prime.

It is a super-2 number, since 2×530203121² = 562230699036281282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 530203121.

It is not an unprimeable number, because it can be changed into a prime (530203181) 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, 178010 + ... + 180963.

It is an arithmetic number, because the mean of its divisors is an integer number (76102488).

Almost surely, 2^530203121 is an apocalyptic number.

It is an amenable number.

530203121 is a deficient number, since it is larger than the sum of its proper divisors (78616783).

530203121 is a wasteful number, since it uses less digits than its factorization.

530203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359191.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 530203121 is about 23026.1399500654. The cubic root of 530203121 is about 809.3706033780.

Adding to 530203121 its reverse (121302035), we get a palindrome (651505156).

The spelling of 530203121 in words is "five hundred thirty million, two hundred three thousand, one hundred twenty-one".