123000130 has 24 divisors (see below), whose sum is σ = 243359676. Its totient is φ = 44726880.

The previous prime is 123000037. The next prime is 123000133. The reversal of 123000130 is 31000321.

It can be written as a sum of positive squares in 2 ways, for example, as 115498009 + 7502121 = 10747^2 + 2739^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (123000133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49617 + ... + 52036.

Almost surely, 2^123000130 is an apocalyptic number.

123000130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123000130 is a deficient number, since it is larger than the sum of its proper divisors (120359546).

123000130 is a wasteful number, since it uses less digits than its factorization.

123000130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101682 (or 101671 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 123000130 is about 11090.5423672605. The cubic root of 123000130 is about 497.3191585340.

Adding to 123000130 its reverse (31000321), we get a palindrome (154000451).

The spelling of 123000130 in words is "one hundred twenty-three million, one hundred thirty", and thus it is an aban number.