122411761 has 2 divisors, whose sum is σ = 122411762. Its totient is φ = 122411760.

The previous prime is 122411759. The next prime is 122411789. The reversal of 122411761 is 167114221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119771136 + 2640625 = 10944^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 122411761 - 2¹ = 122411759 is a prime.

It is a super-2 number, since 2×122411761² = 29969278462242242, which contains 22 as substring.

Together with 122411759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122411711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61205880 + 61205881.

It is an arithmetic number, because the mean of its divisors is an integer number (61205881).

Almost surely, 2^122411761 is an apocalyptic number.

It is an amenable number.

122411761 is a deficient number, since it is larger than the sum of its proper divisors (1).

122411761 is an equidigital number, since it uses as much as digits as its factorization.

122411761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 25.

The square root of 122411761 is about 11063.9848607995. The cubic root of 122411761 is about 496.5249182345.

Adding to 122411761 its reverse (167114221), we get a palindrome (289525982).

The spelling of 122411761 in words is "one hundred twenty-two million, four hundred eleven thousand, seven hundred sixty-one".