123020102 has 8 divisors (see below), whose sum is σ = 188012016. Its totient is φ = 60349432.

The previous prime is 123020101. The next prime is 123020113. The reversal of 123020102 is 201020321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020101) 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 in 3 ways as a sum of consecutive naturals, for example, 580178 + ... + 580389.

It is an arithmetic number, because the mean of its divisors is an integer number (23501502).

Almost surely, 2^123020102 is an apocalyptic number.

123020102 is a deficient number, since it is larger than the sum of its proper divisors (64991914).

123020102 is a wasteful number, since it uses less digits than its factorization.

123020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160622.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123020102 is about 11091.4427375342. The cubic root of 123020102 is about 497.3460742798.

Adding to 123020102 its reverse (201020321), we get a palindrome (324040423).

The spelling of 123020102 in words is "one hundred twenty-three million, twenty thousand, one hundred two".