122621107465 has 8 divisors (see below), whose sum is σ = 147390166728. Its totient is φ = 97933660800.

The previous prime is 122621107417. The next prime is 122621107493. The reversal of 122621107465 is 564701126221.

It can be written as a sum of positive squares in 4 ways, for example, as 61689147129 + 60931960336 = 248373^2 + 246844^2 .

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

It is not a de Polignac number, because 122621107465 - 2⁹ = 122621106953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20399842 + ... + 20405851.

It is an arithmetic number, because the mean of its divisors is an integer number (18423770841).

Almost surely, 2^122621107465 is an apocalyptic number.

It is an amenable number.

122621107465 is a deficient number, since it is larger than the sum of its proper divisors (24769059263).

122621107465 is an equidigital number, since it uses as much as digits as its factorization.

122621107465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40806299.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 122621107465 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, four hundred sixty-five".