123130298 has 16 divisors (see below), whose sum is σ = 199160640. Its totient is φ = 56901600.

The previous prime is 123130243. The next prime is 123130327. The reversal of 123130298 is 892031321.

It is a super-2 number, since 2×123130298² = 30322140571137608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123130298.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37958 + ... + 41073.

It is an arithmetic number, because the mean of its divisors is an integer number (12447540).

Almost surely, 2^123130298 is an apocalyptic number.

123130298 is a deficient number, since it is larger than the sum of its proper divisors (76030342).

123130298 is a wasteful number, since it uses less digits than its factorization.

123130298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79093.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 123130298 is about 11096.4092390286. The cubic root of 123130298 is about 497.4945302127.

The spelling of 123130298 in words is "one hundred twenty-three million, one hundred thirty thousand, two hundred ninety-eight".