121422061 has 2 divisors, whose sum is σ = 121422062. Its totient is φ = 121422060.

The previous prime is 121422031. The next prime is 121422089. The reversal of 121422061 is 160224121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 49070025 = 8506^2 + 7005^2 .

It is an emirp because it is prime and its reverse (160224121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121422061 - 2⁵ = 121422029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121422031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60711030 + 60711031.

It is an arithmetic number, because the mean of its divisors is an integer number (60711031).

Almost surely, 2^121422061 is an apocalyptic number.

It is an amenable number.

121422061 is a deficient number, since it is larger than the sum of its proper divisors (1).

121422061 is an equidigital number, since it uses as much as digits as its factorization.

121422061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 121422061 is about 11019.1678905442. The cubic root of 121422061 is about 495.1831597807.

Adding to 121422061 its reverse (160224121), we get a palindrome (281646182).

The spelling of 121422061 in words is "one hundred twenty-one million, four hundred twenty-two thousand, sixty-one".