1530122002 has 4 divisors (see below), whose sum is σ = 2295183006. Its totient is φ = 765061000.

The previous prime is 1530121997. The next prime is 1530122047. The reversal of 1530122002 is 2002210351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2002210351 = 43037 ⋅46523.

It can be written as a sum of positive squares in only one way, i.e., 1523262841 + 6859161 = 39029^2 + 2619^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382530499 + ... + 382530502.

Almost surely, 2^1530122002 is an apocalyptic number.

1530122002 is a deficient number, since it is larger than the sum of its proper divisors (765061004).

1530122002 is an equidigital number, since it uses as much as digits as its factorization.

1530122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765061003.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1530122002 is about 39116.7739211710. The cubic root of 1530122002 is about 1152.3259796573.

Adding to 1530122002 its reverse (2002210351), we get a palindrome (3532332353).

The spelling of 1530122002 in words is "one billion, five hundred thirty million, one hundred twenty-two thousand, two".