4915065121 has 2 divisors, whose sum is σ = 4915065122. Its totient is φ = 4915065120.

The previous prime is 4915065061. The next prime is 4915065167. The reversal of 4915065121 is 1215605194.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3645140625 + 1269924496 = 60375^2 + 35636^2 .

It is a cyclic number.

It is not a de Polignac number, because 4915065121 - 2¹¹ = 4915063073 is a prime.

It is not a weakly prime, because it can be changed into another prime (4915065821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2457532560 + 2457532561.

It is an arithmetic number, because the mean of its divisors is an integer number (2457532561).

Almost surely, 2^4915065121 is an apocalyptic number.

It is an amenable number.

4915065121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4915065121 is an equidigital number, since it uses as much as digits as its factorization.

4915065121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 4915065121 is about 70107.5254234522. The cubic root of 4915065121 is about 1700.2381582143.

The spelling of 4915065121 in words is "four billion, nine hundred fifteen million, sixty-five thousand, one hundred twenty-one".