122655607 has 2 divisors, whose sum is σ = 122655608. Its totient is φ = 122655606.

The previous prime is 122655551. The next prime is 122655647. The reversal of 122655607 is 706556221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122655607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122655647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61327803 + 61327804.

It is an arithmetic number, because the mean of its divisors is an integer number (61327804).

Almost surely, 2^122655607 is an apocalyptic number.

122655607 is a deficient number, since it is larger than the sum of its proper divisors (1).

122655607 is an equidigital number, since it uses as much as digits as its factorization.

122655607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 122655607 is about 11074.9991873589. Note that the first 3 decimals coincide. The cubic root of 122655607 is about 496.8543944991.

The spelling of 122655607 in words is "one hundred twenty-two million, six hundred fifty-five thousand, six hundred seven".