122155615607 has 4 divisors (see below), whose sum is σ = 123117470976. Its totient is φ = 121193760240.

The previous prime is 122155615591. The next prime is 122155615669. The reversal of 122155615607 is 706516551221.

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

It is a cyclic number.

It is not a de Polignac number, because 122155615607 - 2⁴ = 122155615591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122155615507) 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, 480927494 + ... + 480927747.

It is an arithmetic number, because the mean of its divisors is an integer number (30779367744).

Almost surely, 2^122155615607 is an apocalyptic number.

122155615607 is a deficient number, since it is larger than the sum of its proper divisors (961855369).

122155615607 is an equidigital number, since it uses as much as digits as its factorization.

122155615607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961855368.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 122155615607 in words is "one hundred twenty-two billion, one hundred fifty-five million, six hundred fifteen thousand, six hundred seven".