30123102 has 8 divisors (see below), whose sum is σ = 60246216. Its totient is φ = 10041032.

The previous prime is 30123097. The next prime is 30123109. The reversal of 30123102 is 20132103.

It is a happy number.

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

30123102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510253 + ... + 2510264.

It is an arithmetic number, because the mean of its divisors is an integer number (7530777).

Almost surely, 2^30123102 is an apocalyptic number.

30123102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30123102 is a wasteful number, since it uses less digits than its factorization.

30123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020522.

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

The square root of 30123102 is about 5488.4516942395. The cubic root of 30123102 is about 311.1476778542.

Adding to 30123102 its reverse (20132103), we get a palindrome (50255205).

Subtracting from 30123102 its reverse (20132103), we obtain a palindrome (9990999).

The spelling of 30123102 in words is "thirty million, one hundred twenty-three thousand, one hundred two".