121083132609 has 40 divisors (see below), whose sum is σ = 183273263712. Its totient is φ = 79655114880.

The previous prime is 121083132581. The next prime is 121083132629. The reversal of 121083132609 is 906231380121.

121083132609 is a `hidden beast` number, since 1 + 2 + 10 + 8 + 3 + 1 + 32 + 609 = 666.

It is not a de Polignac number, because 121083132609 - 2⁷ = 121083132481 is a prime.

It is a super-2 number, since 2×121083132609² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121083132629) 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 39 ways as a sum of consecutive naturals, for example, 5912742 + ... + 5933184.

Almost surely, 2^121083132609 is an apocalyptic number.

It is an amenable number.

121083132609 is a deficient number, since it is larger than the sum of its proper divisors (62190131103).

121083132609 is an equidigital number, since it uses as much as digits as its factorization.

121083132609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419 (or 21410 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 121083132609 in words is "one hundred twenty-one billion, eighty-three million, one hundred thirty-two thousand, six hundred nine".