122573732655 has 24 divisors (see below), whose sum is σ = 215567691696. Its totient is φ = 59429687680.

The previous prime is 122573732651. The next prime is 122573732657. The reversal of 122573732655 is 556237375221.

It is not a de Polignac number, because 122573732655 - 2² = 122573732651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122573732651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33765054 + ... + 33768683.

It is an arithmetic number, because the mean of its divisors is an integer number (8981987154).

Almost surely, 2^122573732655 is an apocalyptic number.

122573732655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122573732655 is a deficient number, since it is larger than the sum of its proper divisors (92993959041).

122573732655 is a wasteful number, since it uses less digits than its factorization.

122573732655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67533767 (or 67533756 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 48.

The spelling of 122573732655 in words is "one hundred twenty-two billion, five hundred seventy-three million, seven hundred thirty-two thousand, six hundred fifty-five".