122735716123 has 4 divisors (see below), whose sum is σ = 122745318400. Its totient is φ = 122726113848.

The previous prime is 122735716121. The next prime is 122735716163. The reversal of 122735716123 is 321617537221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122735716123 - 2¹ = 122735716121 is a prime.

It is a super-2 number, since 2×122735716123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122735716121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4781940 + ... + 4807537.

It is an arithmetic number, because the mean of its divisors is an integer number (30686329600).

Almost surely, 2^122735716123 is an apocalyptic number.

122735716123 is a deficient number, since it is larger than the sum of its proper divisors (9602277).

122735716123 is an equidigital number, since it uses as much as digits as its factorization.

122735716123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602276.

The product of its digits is 105840, while the sum is 40.

The spelling of 122735716123 in words is "one hundred twenty-two billion, seven hundred thirty-five million, seven hundred sixteen thousand, one hundred twenty-three".