130123112 has 64 divisors (see below), whose sum is σ = 287232000. Its totient is φ = 54115776.

The previous prime is 130123099. The next prime is 130123127. The reversal of 130123112 is 211321031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296189 + ... + 296627.

It is an arithmetic number, because the mean of its divisors is an integer number (4488000).

Almost surely, 2^130123112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143616000).

130123112 is an abundant number, since it is smaller than the sum of its proper divisors (157108888).

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

130123112 is a wasteful number, since it uses less digits than its factorization.

130123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130123112 is about 11407.1517917489. The cubic root of 130123112 is about 506.7395643804.

Adding to 130123112 its reverse (211321031), we get a palindrome (341444143).

The spelling of 130123112 in words is "one hundred thirty million, one hundred twenty-three thousand, one hundred twelve".