122900761 has 2 divisors, whose sum is σ = 122900762. Its totient is φ = 122900760.

The previous prime is 122900749. The next prime is 122900773. The reversal of 122900761 is 167009221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (122900749) and next prime (122900773).

It can be written as a sum of positive squares in only one way, i.e., 115691536 + 7209225 = 10756^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 122900761 - 2⁹ = 122900249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122900861) 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, 61450380 + 61450381.

It is an arithmetic number, because the mean of its divisors is an integer number (61450381).

Almost surely, 2^122900761 is an apocalyptic number.

It is an amenable number.

122900761 is a deficient number, since it is larger than the sum of its proper divisors (1).

122900761 is an equidigital number, since it uses as much as digits as its factorization.

122900761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 122900761 is about 11086.0615639640. The cubic root of 122900761 is about 497.1851981841.

Adding to 122900761 its reverse (167009221), we get a palindrome (289909982).

The spelling of 122900761 in words is "one hundred twenty-two million, nine hundred thousand, seven hundred sixty-one".