121227955 has 8 divisors (see below), whose sum is σ = 145629792. Its totient is φ = 96878208.

The previous prime is 121227943. The next prime is 121227959. The reversal of 121227955 is 559722121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121227955 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121227955.

It is not an unprimeable number, because it can be changed into a prime (121227959) 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, 7702 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (18203724).

Almost surely, 2^121227955 is an apocalyptic number.

121227955 is a deficient number, since it is larger than the sum of its proper divisors (24401837).

121227955 is an equidigital number, since it uses as much as digits as its factorization.

121227955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26045.

The product of its digits is 12600, while the sum is 34.

The square root of 121227955 is about 11010.3567153839. The cubic root of 121227955 is about 494.9191515068.

The spelling of 121227955 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, nine hundred fifty-five".