122663742135 has 64 divisors (see below), whose sum is σ = 217431406080. Its totient is φ = 59044128000.

The previous prime is 122663742133. The next prime is 122663742239. The reversal of 122663742135 is 531247366221.

It is not a de Polignac number, because 122663742135 - 2¹ = 122663742133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122663742133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2753035 + ... + 2797235.

It is an arithmetic number, because the mean of its divisors is an integer number (3397365720).

Almost surely, 2^122663742135 is an apocalyptic number.

122663742135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122663742135 is a deficient number, since it is larger than the sum of its proper divisors (94767663945).

122663742135 is a wasteful number, since it uses less digits than its factorization.

122663742135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44381 (or 44359 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The spelling of 122663742135 in words is "one hundred twenty-two billion, six hundred sixty-three million, seven hundred forty-two thousand, one hundred thirty-five".