121162207 has 2 divisors, whose sum is σ = 121162208. Its totient is φ = 121162206.

The previous prime is 121162189. The next prime is 121162211. The reversal of 121162207 is 702261121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (702261121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121162207 - 2¹⁵ = 121129439 is a prime.

It is a super-2 number, since 2×121162207² = 29360560810221698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121162277) 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, 60581103 + 60581104.

It is an arithmetic number, because the mean of its divisors is an integer number (60581104).

Almost surely, 2^121162207 is an apocalyptic number.

121162207 is a deficient number, since it is larger than the sum of its proper divisors (1).

121162207 is an equidigital number, since it uses as much as digits as its factorization.

121162207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 121162207 is about 11007.3705761185. The cubic root of 121162207 is about 494.8296621674.

The spelling of 121162207 in words is "one hundred twenty-one million, one hundred sixty-two thousand, two hundred seven".