121227277 has 8 divisors (see below), whose sum is σ = 130576160. Its totient is φ = 112175280.

The previous prime is 121227263. The next prime is 121227287. The reversal of 121227277 is 772722121.

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

It is a cyclic number.

It is not a de Polignac number, because 121227277 - 2⁷ = 121227149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121227257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73374 + ... + 75007.

It is an arithmetic number, because the mean of its divisors is an integer number (16322020).

Almost surely, 2^121227277 is an apocalyptic number.

It is an amenable number.

121227277 is a deficient number, since it is larger than the sum of its proper divisors (9348883).

121227277 is a wasteful number, since it uses less digits than its factorization.

121227277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148443.

The product of its digits is 5488, while the sum is 31.

The square root of 121227277 is about 11010.3259261477. The cubic root of 121227277 is about 494.9182288488.

Adding to 121227277 its reverse (772722121), we get a palindrome (893949398).

The spelling of 121227277 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, two hundred seventy-seven".