120202123 has 2 divisors, whose sum is σ = 120202124. Its totient is φ = 120202122.

The previous prime is 120202081. The next prime is 120202127. The reversal of 120202123 is 321202021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120202123 - 2²¹ = 118104971 is a prime.

It is not a weakly prime, because it can be changed into another prime (120202127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101061 + 60101062.

It is an arithmetic number, because the mean of its divisors is an integer number (60101062).

Almost surely, 2^120202123 is an apocalyptic number.

120202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202123 is an equidigital number, since it uses as much as digits as its factorization.

120202123 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 120202123 is about 10963.6728791040. The cubic root of 120202123 is about 493.5191918509.

Adding to 120202123 its reverse (321202021), we get a palindrome (441404144).

The spelling of 120202123 in words is "one hundred twenty million, two hundred two thousand, one hundred twenty-three".