2125131120 has 160 divisors (see below), whose sum is σ = 8365655040. Its totient is φ = 485740800.

The previous prime is 2125131103. The next prime is 2125131143. The reversal of 2125131120 is 211315212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2125131093 and 2125131102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55156 + ... + 85395.

It is an arithmetic number, because the mean of its divisors is an integer number (52285344).

Almost surely, 2^2125131120 is an apocalyptic number.

2125131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125131120 is an abundant number, since it is smaller than the sum of its proper divisors (6240523920).

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

2125131120 is a wasteful number, since it uses less digits than its factorization.

2125131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140580 (or 140568 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2125131120 is about 46099.1444606079. The cubic root of 2125131120 is about 1285.6672376435.

Adding to 2125131120 its reverse (211315212), we get a palindrome (2336446332).

The spelling of 2125131120 in words is "two billion, one hundred twenty-five million, one hundred thirty-one thousand, one hundred twenty".