122272147 has 2 divisors, whose sum is σ = 122272148. Its totient is φ = 122272146.

The previous prime is 122272141. The next prime is 122272159. The reversal of 122272147 is 741272221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122272147 - 2⁷ = 122272019 is a prime.

It is not a weakly prime, because it can be changed into another prime (122272141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61136073 + 61136074.

It is an arithmetic number, because the mean of its divisors is an integer number (61136074).

Almost surely, 2^122272147 is an apocalyptic number.

122272147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122272147 is an equidigital number, since it uses as much as digits as its factorization.

122272147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 28.

The square root of 122272147 is about 11057.6736703522. The cubic root of 122272147 is about 496.3360796224.

The spelling of 122272147 in words is "one hundred twenty-two million, two hundred seventy-two thousand, one hundred forty-seven".