122275147 has 2 divisors, whose sum is σ = 122275148. Its totient is φ = 122275146.

The previous prime is 122275123. The next prime is 122275151. The reversal of 122275147 is 741572221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122275147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122275157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61137573 + 61137574.

It is an arithmetic number, because the mean of its divisors is an integer number (61137574).

Almost surely, 2^122275147 is an apocalyptic number.

122275147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122275147 is an equidigital number, since it uses as much as digits as its factorization.

122275147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 122275147 is about 11057.8093219227. The cubic root of 122275147 is about 496.3401388627.

The spelling of 122275147 in words is "one hundred twenty-two million, two hundred seventy-five thousand, one hundred forty-seven".