123130002 has 16 divisors (see below), whose sum is σ = 249228000. Its totient is φ = 40548672.

The previous prime is 123130001. The next prime is 123130003. The reversal of 123130002 is 200031321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123130001) and next prime (123130003).

It is a self number, because there is not a number n which added to its sum of digits gives 123130002.

It is not an unprimeable number, because it can be changed into a prime (123130001) 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 7 ways as a sum of consecutive naturals, for example, 123127 + ... + 124122.

It is an arithmetic number, because the mean of its divisors is an integer number (15576750).

Almost surely, 2^123130002 is an apocalyptic number.

123130002 is an abundant number, since it is smaller than the sum of its proper divisors (126097998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123130002 is a wasteful number, since it uses less digits than its factorization.

123130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247337.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 123130002 is about 11096.3959013727. The cubic root of 123130002 is about 497.4941315604.

Adding to 123130002 its reverse (200031321), we get a palindrome (323161323).

The spelling of 123130002 in words is "one hundred twenty-three million, one hundred thirty thousand, two".