122655603 has 8 divisors (see below), whose sum is σ = 186903808. Its totient is φ = 70088904.

The previous prime is 122655551. The next prime is 122655607. The reversal of 122655603 is 306556221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122655603 - 2⁶ = 122655539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122655607) 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 in 7 ways as a sum of consecutive naturals, for example, 2920351 + ... + 2920392.

It is an arithmetic number, because the mean of its divisors is an integer number (23362976).

Almost surely, 2^122655603 is an apocalyptic number.

122655603 is a deficient number, since it is larger than the sum of its proper divisors (64248205).

122655603 is an equidigital number, since it uses as much as digits as its factorization.

122655603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840753.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 122655603 is about 11074.9990067720. Note that the first 3 decimals coincide. The cubic root of 122655603 is about 496.8543890980.

The spelling of 122655603 in words is "one hundred twenty-two million, six hundred fifty-five thousand, six hundred three".