123101130 has 16 divisors (see below), whose sum is σ = 295442784. Its totient is φ = 32826960.

The previous prime is 123101119. The next prime is 123101161. The reversal of 123101130 is 31101321.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051656 + ... + 2051715.

It is an arithmetic number, because the mean of its divisors is an integer number (18465174).

Almost surely, 2^123101130 is an apocalyptic number.

123101130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123101130 is an abundant number, since it is smaller than the sum of its proper divisors (172341654).

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

123101130 is a wasteful number, since it uses less digits than its factorization.

123101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103381.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 123101130 is about 11095.0948621452. The cubic root of 123101130 is about 497.4552437368.

Adding to 123101130 its reverse (31101321), we get a palindrome (154202451).

The spelling of 123101130 in words is "one hundred twenty-three million, one hundred one thousand, one hundred thirty".