121422617 has 2 divisors, whose sum is σ = 121422618. Its totient is φ = 121422616.

The previous prime is 121422601. The next prime is 121422643. The reversal of 121422617 is 716224121.

It is an a-pointer prime, because the next prime (121422643) can be obtained adding 121422617 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92467456 + 28955161 = 9616^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 121422617 - 2⁴ = 121422601 is a prime.

It is a super-3 number, since 3×121422617³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121422647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60711308 + 60711309.

It is an arithmetic number, because the mean of its divisors is an integer number (60711309).

Almost surely, 2^121422617 is an apocalyptic number.

It is an amenable number.

121422617 is a deficient number, since it is larger than the sum of its proper divisors (1).

121422617 is an equidigital number, since it uses as much as digits as its factorization.

121422617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 121422617 is about 11019.1931192806. The cubic root of 121422617 is about 495.1839156055.

Adding to 121422617 its reverse (716224121), we get a palindrome (837646738).

The spelling of 121422617 in words is "one hundred twenty-one million, four hundred twenty-two thousand, six hundred seventeen".