122661044929 has 2 divisors, whose sum is σ = 122661044930. Its totient is φ = 122661044928.

The previous prime is 122661044917. The next prime is 122661044939. The reversal of 122661044929 is 929440166221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120636044929 + 2025000000 = 347327^2 + 45000^2 .

It is a cyclic number.

It is not a de Polignac number, because 122661044929 - 2¹³ = 122661036737 is a prime.

It is not a weakly prime, because it can be changed into another prime (122661044939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61330522464 + 61330522465.

It is an arithmetic number, because the mean of its divisors is an integer number (61330522465).

Almost surely, 2^122661044929 is an apocalyptic number.

It is an amenable number.

122661044929 is a deficient number, since it is larger than the sum of its proper divisors (1).

122661044929 is an equidigital number, since it uses as much as digits as its factorization.

122661044929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 122661044929 in words is "one hundred twenty-two billion, six hundred sixty-one million, forty-four thousand, nine hundred twenty-nine".