30147600121 has 2 divisors, whose sum is σ = 30147600122. Its totient is φ = 30147600120.

The previous prime is 30147600071. The next prime is 30147600157. The reversal of 30147600121 is 12100674103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30107455225 + 40144896 = 173515^2 + 6336^2 .

It is a cyclic number.

It is not a de Polignac number, because 30147600121 - 2¹⁵ = 30147567353 is a prime.

It is not a weakly prime, because it can be changed into another prime (30147600521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15073800060 + 15073800061.

It is an arithmetic number, because the mean of its divisors is an integer number (15073800061).

Almost surely, 2^30147600121 is an apocalyptic number.

It is an amenable number.

30147600121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30147600121 is an equidigital number, since it uses as much as digits as its factorization.

30147600121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 30147600121 in words is "thirty billion, one hundred forty-seven million, six hundred thousand, one hundred twenty-one".