122264621 has 2 divisors, whose sum is σ = 122264622. Its totient is φ = 122264620.

The previous prime is 122264591. The next prime is 122264647. The reversal of 122264621 is 126462221.

It is an a-pointer prime, because the next prime (122264647) can be obtained adding 122264621 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 55204900 = 8189^2 + 7430^2 .

It is a cyclic number.

It is not a de Polignac number, because 122264621 - 2²² = 118070317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122264671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61132310 + 61132311.

It is an arithmetic number, because the mean of its divisors is an integer number (61132311).

Almost surely, 2^122264621 is an apocalyptic number.

It is an amenable number.

122264621 is a deficient number, since it is larger than the sum of its proper divisors (1).

122264621 is an equidigital number, since it uses as much as digits as its factorization.

122264621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 122264621 is about 11057.3333584549. Note that the first 4 decimals coincide. The cubic root of 122264621 is about 496.3258960495.

The spelling of 122264621 in words is "one hundred twenty-two million, two hundred sixty-four thousand, six hundred twenty-one".