122002123 has 2 divisors, whose sum is σ = 122002124. Its totient is φ = 122002122.

The previous prime is 122002121. The next prime is 122002129. The reversal of 122002123 is 321200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122002123 - 2¹ = 122002121 is a prime.

Together with 122002121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122002121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001061 + 61001062.

It is an arithmetic number, because the mean of its divisors is an integer number (61001062).

Almost surely, 2^122002123 is an apocalyptic number.

122002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002123 is an equidigital number, since it uses as much as digits as its factorization.

122002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122002123 is about 11045.4571204636. The cubic root of 122002123 is about 495.9704432504.

Adding to 122002123 its reverse (321200221), we get a palindrome (443202344).

The spelling of 122002123 in words is "one hundred twenty-two million, two thousand, one hundred twenty-three".