3154152121 has 2 divisors, whose sum is σ = 3154152122. Its totient is φ = 3154152120.

The previous prime is 3154152119. The next prime is 3154152149. The reversal of 3154152121 is 1212514513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2809530025 + 344622096 = 53005^2 + 18564^2 .

It is a cyclic number.

It is not a de Polignac number, because 3154152121 - 2¹ = 3154152119 is a prime.

Together with 3154152119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3154152151) 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, 1577076060 + 1577076061.

It is an arithmetic number, because the mean of its divisors is an integer number (1577076061).

Almost surely, 2^3154152121 is an apocalyptic number.

It is an amenable number.

3154152121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154152121 is an equidigital number, since it uses as much as digits as its factorization.

3154152121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 3154152121 is about 56161.8386540184. The cubic root of 3154152121 is about 1466.5410089028.

Adding to 3154152121 its reverse (1212514513), we get a palindrome (4366666634).

The spelling of 3154152121 in words is "three billion, one hundred fifty-four million, one hundred fifty-two thousand, one hundred twenty-one".