122505124113 has 16 divisors (see below), whose sum is σ = 182179155840. Its totient is φ = 81359545392.

The previous prime is 122505124087. The next prime is 122505124117. The reversal of 122505124113 is 311421505221.

It is a happy number.

122505124113 is a `hidden beast` number, since 1 + 22 + 505 + 1 + 24 + 113 = 666.

It is not a de Polignac number, because 122505124113 - 2¹³ = 122505115921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122505124117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8618806 + ... + 8633007.

It is an arithmetic number, because the mean of its divisors is an integer number (11386197240).

Almost surely, 2^122505124113 is an apocalyptic number.

It is an amenable number.

122505124113 is a deficient number, since it is larger than the sum of its proper divisors (59674031727).

122505124113 is a wasteful number, since it uses less digits than its factorization.

122505124113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252085 (or 17252079 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 122505124113 its reverse (311421505221), we get a palindrome (433926629334).

The spelling of 122505124113 in words is "one hundred twenty-two billion, five hundred five million, one hundred twenty-four thousand, one hundred thirteen".