122745725535 has 16 divisors (see below), whose sum is σ = 199083479904. Its totient is φ = 64567613952.

The previous prime is 122745725521. The next prime is 122745725569. The reversal of 122745725535 is 535527547221.

It is a happy number.

It is not a de Polignac number, because 122745725535 - 2⁶ = 122745725471 is a prime.

It is a super-2 number, since 2×122745725535² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56047182 + ... + 56049371.

It is an arithmetic number, because the mean of its divisors is an integer number (12442717494).

Almost surely, 2^122745725535 is an apocalyptic number.

122745725535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122745725535 is a deficient number, since it is larger than the sum of its proper divisors (76337754369).

122745725535 is a wasteful number, since it uses less digits than its factorization.

122745725535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112096634.

The product of its digits is 2940000, while the sum is 48.

The spelling of 122745725535 in words is "one hundred twenty-two billion, seven hundred forty-five million, seven hundred twenty-five thousand, five hundred thirty-five".