121611273 has 8 divisors (see below), whose sum is σ = 185312448. Its totient is φ = 69492144.

The previous prime is 121611271. The next prime is 121611277. The reversal of 121611273 is 372116121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121611273 - 2¹ = 121611271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121611271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895486 + ... + 2895527.

It is an arithmetic number, because the mean of its divisors is an integer number (23164056).

Almost surely, 2^121611273 is an apocalyptic number.

It is an amenable number.

121611273 is a deficient number, since it is larger than the sum of its proper divisors (63701175).

121611273 is an equidigital number, since it uses as much as digits as its factorization.

121611273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791023.

The product of its digits is 504, while the sum is 24.

The square root of 121611273 is about 11027.7501331867. The cubic root of 121611273 is about 495.4402409329.

Adding to 121611273 its reverse (372116121), we get a palindrome (493727394).

The spelling of 121611273 in words is "one hundred twenty-one million, six hundred eleven thousand, two hundred seventy-three".