122270143 has 2 divisors, whose sum is σ = 122270144. Its totient is φ = 122270142.

The previous prime is 122270131. The next prime is 122270147. The reversal of 122270143 is 341072221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122270143 - 2¹⁷ = 122139071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122270147) 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, 61135071 + 61135072.

It is an arithmetic number, because the mean of its divisors is an integer number (61135072).

Almost surely, 2^122270143 is an apocalyptic number.

122270143 is a deficient number, since it is larger than the sum of its proper divisors (1).

122270143 is an equidigital number, since it uses as much as digits as its factorization.

122270143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 122270143 is about 11057.5830541760. The cubic root of 122270143 is about 496.3333680129. Note that the first 4 decimals are identical.

The spelling of 122270143 in words is "one hundred twenty-two million, two hundred seventy thousand, one hundred forty-three".