122880581069 has 4 divisors (see below), whose sum is σ = 122945222940. Its totient is φ = 122815939200.

The previous prime is 122880581059. The next prime is 122880581071. The reversal of 122880581069 is 960185088221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 960185088221 = 4493 ⋅213706897.

It can be written as a sum of positive squares in 2 ways, for example, as 43832447044 + 79048134025 = 209362^2 + 281155^2 .

It is a cyclic number.

It is not a de Polignac number, because 122880581069 - 2⁸ = 122880580813 is a prime.

It is a super-2 number, since 2×122880581069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122880581059) by changing a digit.

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, 32318084 + ... + 32321885.

It is an arithmetic number, because the mean of its divisors is an integer number (30736305735).

Almost surely, 2^122880581069 is an apocalyptic number.

It is an amenable number.

122880581069 is a deficient number, since it is larger than the sum of its proper divisors (64641871).

122880581069 is an equidigital number, since it uses as much as digits as its factorization.

122880581069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64641870.

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 122880581069 in words is "one hundred twenty-two billion, eight hundred eighty million, five hundred eighty-one thousand, sixty-nine".