153310121 has 2 divisors, whose sum is σ = 153310122. Its totient is φ = 153310120.

The previous prime is 153310109. The next prime is 153310127. The reversal of 153310121 is 121013351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 71588521 = 9040^2 + 8461^2 .

It is an emirp because it is prime and its reverse (121013351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153310121 - 2¹⁰ = 153309097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 153310121.

It is not a weakly prime, because it can be changed into another prime (153310127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76655060 + 76655061.

It is an arithmetic number, because the mean of its divisors is an integer number (76655061).

Almost surely, 2^153310121 is an apocalyptic number.

It is an amenable number.

153310121 is a deficient number, since it is larger than the sum of its proper divisors (1).

153310121 is an equidigital number, since it uses as much as digits as its factorization.

153310121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 153310121 is about 12381.8464293497. The cubic root of 153310121 is about 535.2092476392.

Adding to 153310121 its reverse (121013351), we get a palindrome (274323472).

The spelling of 153310121 in words is "one hundred fifty-three million, three hundred ten thousand, one hundred twenty-one".