102202123 has 2 divisors, whose sum is σ = 102202124. Its totient is φ = 102202122.

The previous prime is 102202091. The next prime is 102202127. The reversal of 102202123 is 321202201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102202123 - 2⁵ = 102202091 is a prime.

It is not a weakly prime, because it can be changed into another prime (102202127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101061 + 51101062.

It is an arithmetic number, because the mean of its divisors is an integer number (51101062).

Almost surely, 2^102202123 is an apocalyptic number.

102202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202123 is an equidigital number, since it uses as much as digits as its factorization.

102202123 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 102202123 is about 10109.5065656045. The cubic root of 102202123 is about 467.5412917859.

Adding to 102202123 its reverse (321202201), we get a palindrome (423404324).

The spelling of 102202123 in words is "one hundred two million, two hundred two thousand, one hundred twenty-three".