121188670025 has 6 divisors (see below), whose sum is σ = 150273950862. Its totient is φ = 96950936000.

The previous prime is 121188670021. The next prime is 121188670033. The reversal of 121188670025 is 520076881121.

It can be written as a sum of positive squares in 3 ways, for example, as 1928263744 + 119260406281 = 43912^2 + 345341^2 .

It is not a de Polignac number, because 121188670025 - 2² = 121188670021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121188670021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2423773376 + ... + 2423773425.

It is an arithmetic number, because the mean of its divisors is an integer number (25045658477).

Almost surely, 2^121188670025 is an apocalyptic number.

It is an amenable number.

121188670025 is a deficient number, since it is larger than the sum of its proper divisors (29085280837).

121188670025 is an equidigital number, since it uses as much as digits as its factorization.

121188670025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847546811 (or 4847546806 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 121188670025 in words is "one hundred twenty-one billion, one hundred eighty-eight million, six hundred seventy thousand, twenty-five".