123002101 has 2 divisors, whose sum is σ = 123002102. Its totient is φ = 123002100.

The previous prime is 123002081. The next prime is 123002107. The reversal of 123002101 is 101200321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117831025 + 5171076 = 10855^2 + 2274^2 .

It is a cyclic number.

It is not a de Polignac number, because 123002101 - 2⁵ = 123002069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123002107) 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, 61501050 + 61501051.

It is an arithmetic number, because the mean of its divisors is an integer number (61501051).

Almost surely, 2^123002101 is an apocalyptic number.

It is an amenable number.

123002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

123002101 is an equidigital number, since it uses as much as digits as its factorization.

123002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 123002101 is about 11090.6312264001. The cubic root of 123002101 is about 497.3218149291.

Adding to 123002101 its reverse (101200321), we get a palindrome (224202422).

The spelling of 123002101 in words is "one hundred twenty-three million, two thousand, one hundred one".