121060272689 has 4 divisors (see below), whose sum is σ = 121984397040. Its totient is φ = 120136148340.

The previous prime is 121060272677. The next prime is 121060272709. The reversal of 121060272689 is 986272060121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121060272689 - 2⁸ = 121060272433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121060272629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462061979 + ... + 462062240.

It is an arithmetic number, because the mean of its divisors is an integer number (30496099260).

Almost surely, 2^121060272689 is an apocalyptic number.

It is an amenable number.

121060272689 is a deficient number, since it is larger than the sum of its proper divisors (924124351).

121060272689 is an equidigital number, since it uses as much as digits as its factorization.

121060272689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924124350.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 121060272689 in words is "one hundred twenty-one billion, sixty million, two hundred seventy-two thousand, six hundred eighty-nine".