114912821 has 2 divisors, whose sum is σ = 114912822. Its totient is φ = 114912820.

The previous prime is 114912803. The next prime is 114912857. The reversal of 114912821 is 128219411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107350321 + 7562500 = 10361^2 + 2750^2 .

It is a cyclic number.

It is not a de Polignac number, because 114912821 - 2¹⁴ = 114896437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114932821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57456410 + 57456411.

It is an arithmetic number, because the mean of its divisors is an integer number (57456411).

Almost surely, 2^114912821 is an apocalyptic number.

It is an amenable number.

114912821 is a deficient number, since it is larger than the sum of its proper divisors (1).

114912821 is an equidigital number, since it uses as much as digits as its factorization.

114912821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The square root of 114912821 is about 10719.7397822895. The cubic root of 114912821 is about 486.1714989704.

The spelling of 114912821 in words is "one hundred fourteen million, nine hundred twelve thousand, eight hundred twenty-one".