121077361 has 2 divisors, whose sum is σ = 121077362. Its totient is φ = 121077360.

The previous prime is 121077287. The next prime is 121077373. The reversal of 121077361 is 163770121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120560400 + 516961 = 10980^2 + 719^2 .

It is an emirp because it is prime and its reverse (163770121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121077361 - 2⁹ = 121076849 is a prime.

It is not a weakly prime, because it can be changed into another prime (121077391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60538680 + 60538681.

It is an arithmetic number, because the mean of its divisors is an integer number (60538681).

Almost surely, 2^121077361 is an apocalyptic number.

It is an amenable number.

121077361 is a deficient number, since it is larger than the sum of its proper divisors (1).

121077361 is an equidigital number, since it uses as much as digits as its factorization.

121077361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 121077361 is about 11003.5158472190. The cubic root of 121077361 is about 494.7141307586.

The spelling of 121077361 in words is "one hundred twenty-one million, seventy-seven thousand, three hundred sixty-one".