114757781 has 2 divisors, whose sum is σ = 114757782. Its totient is φ = 114757780.

The previous prime is 114757751. The next prime is 114757793. The reversal of 114757781 is 187757411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92948881 + 21808900 = 9641^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 114757781 - 2⁶ = 114757717 is a prime.

It is a super-2 number, since 2×114757781² = 26338696600087922, which contains 22 as substring.

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 (114757711) 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, 57378890 + 57378891.

It is an arithmetic number, because the mean of its divisors is an integer number (57378891).

Almost surely, 2^114757781 is an apocalyptic number.

It is an amenable number.

114757781 is a deficient number, since it is larger than the sum of its proper divisors (1).

114757781 is an equidigital number, since it uses as much as digits as its factorization.

114757781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54880, while the sum is 41.

The square root of 114757781 is about 10712.5058226355. The cubic root of 114757781 is about 485.9527535684.

The spelling of 114757781 in words is "one hundred fourteen million, seven hundred fifty-seven thousand, seven hundred eighty-one".