123120110130 has 32 divisors (see below), whose sum is σ = 295630271424. Its totient is φ = 32816250816.

The previous prime is 123120110129. The next prime is 123120110147. The reversal of 123120110130 is 31011021321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 922629 + ... + 1047608.

It is an arithmetic number, because the mean of its divisors is an integer number (9238445982).

Almost surely, 2^123120110130 is an apocalyptic number.

123120110130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123120110130 is an abundant number, since it is smaller than the sum of its proper divisors (172510161294).

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

123120110130 is a wasteful number, since it uses less digits than its factorization.

123120110130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972330.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123120110130 its reverse (31011021321), we get a palindrome (154131131451).

The spelling of 123120110130 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred ten thousand, one hundred thirty".