121627213 has 2 divisors, whose sum is σ = 121627214. Its totient is φ = 121627212.

The previous prime is 121627171. The next prime is 121627217. The reversal of 121627213 is 312726121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84879369 + 36747844 = 9213^2 + 6062^2 .

It is an emirp because it is prime and its reverse (312726121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121627213 - 2¹³ = 121619021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121627217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60813606 + 60813607.

It is an arithmetic number, because the mean of its divisors is an integer number (60813607).

Almost surely, 2^121627213 is an apocalyptic number.

It is an amenable number.

121627213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121627213 is an equidigital number, since it uses as much as digits as its factorization.

121627213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 121627213 is about 11028.4728317206. The cubic root of 121627213 is about 495.4618863287.

The spelling of 121627213 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, two hundred thirteen".