122145336761 has 8 divisors (see below), whose sum is σ = 142841058624. Its totient is φ = 102261211920.

The previous prime is 122145336739. The next prime is 122145336779. The reversal of 122145336761 is 167633541221.

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

It is not a de Polignac number, because 122145336761 - 2¹⁰ = 122145335737 is a prime.

It is a super-2 number, since 2×122145336761² (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 (122145336961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202898930 + ... + 202899531.

It is an arithmetic number, because the mean of its divisors is an integer number (17855132328).

Almost surely, 2^122145336761 is an apocalyptic number.

It is an amenable number.

122145336761 is a deficient number, since it is larger than the sum of its proper divisors (20695721863).

122145336761 is an equidigital number, since it uses as much as digits as its factorization.

122145336761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405798511.

The product of its digits is 181440, while the sum is 41.

Adding to 122145336761 its reverse (167633541221), we get a palindrome (289778877982).

The spelling of 122145336761 in words is "one hundred twenty-two billion, one hundred forty-five million, three hundred thirty-six thousand, seven hundred sixty-one".