122866151 has 2 divisors, whose sum is σ = 122866152. Its totient is φ = 122866150.

The previous prime is 122866147. The next prime is 122866171. The reversal of 122866151 is 151668221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122866151 - 2² = 122866147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122866111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61433075 + 61433076.

It is an arithmetic number, because the mean of its divisors is an integer number (61433076).

Almost surely, 2^122866151 is an apocalyptic number.

122866151 is a deficient number, since it is larger than the sum of its proper divisors (1).

122866151 is an equidigital number, since it uses as much as digits as its factorization.

122866151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 122866151 is about 11084.5004849114. The cubic root of 122866151 is about 497.1385231402.

The spelling of 122866151 in words is "one hundred twenty-two million, eight hundred sixty-six thousand, one hundred fifty-one".