122843761 has 2 divisors, whose sum is σ = 122843762. Its totient is φ = 122843760.

The previous prime is 122843719. The next prime is 122843779. The reversal of 122843761 is 167348221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86843761 + 36000000 = 9319^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 122843761 - 2⁹ = 122843249 is a prime.

It is a super-3 number, since 3×122843761³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (122843701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61421880 + 61421881.

It is an arithmetic number, because the mean of its divisors is an integer number (61421881).

Almost surely, 2^122843761 is an apocalyptic number.

It is an amenable number.

122843761 is a deficient number, since it is larger than the sum of its proper divisors (1).

122843761 is an equidigital number, since it uses as much as digits as its factorization.

122843761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 122843761 is about 11083.4904700640. The cubic root of 122843761 is about 497.1083233181.

The spelling of 122843761 in words is "one hundred twenty-two million, eight hundred forty-three thousand, seven hundred sixty-one".