2130123140 has 12 divisors (see below), whose sum is σ = 4473258636. Its totient is φ = 852049248.

The previous prime is 2130123139. The next prime is 2130123179. The reversal of 2130123140 is 413210312.

It can be written as a sum of positive squares in 2 ways, for example, as 711395584 + 1418727556 = 26672^2 + 37666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53253059 + ... + 53253098.

It is an arithmetic number, because the mean of its divisors is an integer number (372771553).

Almost surely, 2^2130123140 is an apocalyptic number.

2130123140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130123140 is an abundant number, since it is smaller than the sum of its proper divisors (2343135496).

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

2130123140 is a wasteful number, since it uses less digits than its factorization.

2130123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106506166 (or 106506164 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2130123140 is about 46153.2570898306. The cubic root of 2130123140 is about 1286.6731454060.

Adding to 2130123140 its reverse (413210312), we get a palindrome (2543333452).

The spelling of 2130123140 in words is "two billion, one hundred thirty million, one hundred twenty-three thousand, one hundred forty".