121162277 has 2 divisors, whose sum is σ = 121162278. Its totient is φ = 121162276.

The previous prime is 121162271. The next prime is 121162303. The reversal of 121162277 is 772261121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101082916 + 20079361 = 10054^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 121162277 - 2¹⁶ = 121096741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121162271) 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 as a sum of consecutive naturals, namely, 60581138 + 60581139.

It is an arithmetic number, because the mean of its divisors is an integer number (60581139).

Almost surely, 2^121162277 is an apocalyptic number.

It is an amenable number.

121162277 is a deficient number, since it is larger than the sum of its proper divisors (1).

121162277 is an equidigital number, since it uses as much as digits as its factorization.

121162277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 29.

The square root of 121162277 is about 11007.3737558057. The cubic root of 121162277 is about 494.8297574613.

The spelling of 121162277 in words is "one hundred twenty-one million, one hundred sixty-two thousand, two hundred seventy-seven".