122250746945 has 4 divisors (see below), whose sum is σ = 146700896340. Its totient is φ = 97800597552.

The previous prime is 122250746929. The next prime is 122250746957. The reversal of 122250746945 is 549647052221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549647052221 = 8783 ⋅62580787.

It can be written as a sum of positive squares in 2 ways, for example, as 41066211904 + 81184535041 = 202648^2 + 284929^2 .

It is a cyclic number.

It is not a de Polignac number, because 122250746945 - 2⁴ = 122250746929 is a prime.

It is a super-2 number, since 2×122250746945² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122250746945.

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 3 ways as a sum of consecutive naturals, for example, 12225074690 + ... + 12225074699.

It is an arithmetic number, because the mean of its divisors is an integer number (36675224085).

Almost surely, 2^122250746945 is an apocalyptic number.

It is an amenable number.

122250746945 is a deficient number, since it is larger than the sum of its proper divisors (24450149395).

122250746945 is an equidigital number, since it uses as much as digits as its factorization.

122250746945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24450149394.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 122250746945 in words is "one hundred twenty-two billion, two hundred fifty million, seven hundred forty-six thousand, nine hundred forty-five".