122072466577 has 4 divisors (see below), whose sum is σ = 122746900276. Its totient is φ = 121398032880.

The previous prime is 122072466541. The next prime is 122072466599. The reversal of 122072466577 is 775664270221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22201298001 + 99871168576 = 149001^2 + 316024^2 .

It is a cyclic number.

It is not a de Polignac number, because 122072466577 - 2¹¹ = 122072464529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122072466577.

It is not an unprimeable number, because it can be changed into a prime (122072466877) 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, 337216578 + ... + 337216939.

It is an arithmetic number, because the mean of its divisors is an integer number (30686725069).

Almost surely, 2^122072466577 is an apocalyptic number.

It is an amenable number.

122072466577 is a deficient number, since it is larger than the sum of its proper divisors (674433699).

122072466577 is an equidigital number, since it uses as much as digits as its factorization.

122072466577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674433698.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 122072466577 in words is "one hundred twenty-two billion, seventy-two million, four hundred sixty-six thousand, five hundred seventy-seven".