1530122387 has 2 divisors, whose sum is σ = 1530122388. Its totient is φ = 1530122386.

The previous prime is 1530122381. The next prime is 1530122401. The reversal of 1530122387 is 7832210351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1530122387 - 2⁸ = 1530122131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1530122381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765061193 + 765061194.

It is an arithmetic number, because the mean of its divisors is an integer number (765061194).

Almost surely, 2^1530122387 is an apocalyptic number.

1530122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530122387 is an equidigital number, since it uses as much as digits as its factorization.

1530122387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1530122387 is about 39116.7788423331. The cubic root of 1530122387 is about 1152.3260763044.

The spelling of 1530122387 in words is "one billion, five hundred thirty million, one hundred twenty-two thousand, three hundred eighty-seven".