1530123122 has 8 divisors (see below), whose sum is σ = 2503837872. Its totient is φ = 695510500.

The previous prime is 1530123083. The next prime is 1530123209. The reversal of 1530123122 is 2213210351.

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

It is a junction number, because it is equal to n+sod(n) for n = 1530123094 and 1530123103.

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, 34775504 + ... + 34775547.

It is an arithmetic number, because the mean of its divisors is an integer number (312979734).

Almost surely, 2^1530123122 is an apocalyptic number.

1530123122 is a deficient number, since it is larger than the sum of its proper divisors (973714750).

1530123122 is a wasteful number, since it uses less digits than its factorization.

1530123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69551064.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1530123122 is about 39116.7882372774. The cubic root of 1530123122 is about 1152.3262608124.

Adding to 1530123122 its reverse (2213210351), we get a palindrome (3743333473).

The spelling of 1530123122 in words is "one billion, five hundred thirty million, one hundred twenty-three thousand, one hundred twenty-two".