2834178121 has 2 divisors, whose sum is σ = 2834178122. Its totient is φ = 2834178120.

The previous prime is 2834178079. The next prime is 2834178223. The reversal of 2834178121 is 1218714382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2443918096 + 390260025 = 49436^2 + 19755^2 .

It is a cyclic number.

It is not a de Polignac number, because 2834178121 - 2⁷ = 2834177993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2834178821) 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, 1417089060 + 1417089061.

It is an arithmetic number, because the mean of its divisors is an integer number (1417089061).

Almost surely, 2^2834178121 is an apocalyptic number.

It is an amenable number.

2834178121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2834178121 is an equidigital number, since it uses as much as digits as its factorization.

2834178121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 2834178121 is about 53236.9995491857. Note that the first 3 decimals coincide. The cubic root of 2834178121 is about 1415.1714128477.

The spelling of 2834178121 in words is "two billion, eight hundred thirty-four million, one hundred seventy-eight thousand, one hundred twenty-one".