1530451121 has 24 divisors (see below), whose sum is σ = 1687305600. Its totient is φ = 1384063200.

The previous prime is 1530451037. The next prime is 1530451127. The reversal of 1530451121 is 1211540351.

It is not a de Polignac number, because 1530451121 - 2¹⁸ = 1530188977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530451127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441931 + ... + 1442991.

It is an arithmetic number, because the mean of its divisors is an integer number (70304400).

Almost surely, 2^1530451121 is an apocalyptic number.

It is an amenable number.

1530451121 is a deficient number, since it is larger than the sum of its proper divisors (156854479).

1530451121 is a wasteful number, since it uses less digits than its factorization.

1530451121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1530451121 is about 39120.9805730889. The cubic root of 1530451121 is about 1152.4085929359.

Adding to 1530451121 its reverse (1211540351), we get a palindrome (2741991472).

The spelling of 1530451121 in words is "one billion, five hundred thirty million, four hundred fifty-one thousand, one hundred twenty-one".