530121542 has 8 divisors (see below), whose sum is σ = 796110600. Its totient is φ = 264751344.

The previous prime is 530121541. The next prime is 530121551. The reversal of 530121542 is 245121035.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530121541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152567 + ... + 156002.

It is an arithmetic number, because the mean of its divisors is an integer number (99513825).

Almost surely, 2^530121542 is an apocalyptic number.

530121542 is a deficient number, since it is larger than the sum of its proper divisors (265989058).

530121542 is a wasteful number, since it uses less digits than its factorization.

530121542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309430.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 530121542 is about 23024.3684386782. The cubic root of 530121542 is about 809.3290903373.

Adding to 530121542 its reverse (245121035), we get a palindrome (775242577).

The spelling of 530121542 in words is "five hundred thirty million, one hundred twenty-one thousand, five hundred forty-two".