122500774345 has 8 divisors (see below), whose sum is σ = 149774531976. Its totient is φ = 96151550976.

The previous prime is 122500774321. The next prime is 122500774381. The reversal of 122500774345 is 543477005221.

It can be written as a sum of positive squares in 4 ways, for example, as 6053306809 + 116447467536 = 77803^2 + 341244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122500774345 - 2¹¹ = 122500772297 is a prime.

It is a super-2 number, since 2×122500774345² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122500774298 and 122500774307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231133272 + ... + 231133801.

It is an arithmetic number, because the mean of its divisors is an integer number (18721816497).

Almost surely, 2^122500774345 is an apocalyptic number.

It is an amenable number.

122500774345 is a deficient number, since it is larger than the sum of its proper divisors (27273757631).

122500774345 is an equidigital number, since it uses as much as digits as its factorization.

122500774345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462267131.

The product of its (nonzero) digits is 235200, while the sum is 40.

Adding to 122500774345 its reverse (543477005221), we get a palindrome (665977779566).

The spelling of 122500774345 in words is "one hundred twenty-two billion, five hundred million, seven hundred seventy-four thousand, three hundred forty-five".