2142031125 has 64 divisors (see below), whose sum is σ = 3852576000. Its totient is φ = 1050681600.

The previous prime is 2142031123. The next prime is 2142031141. The reversal of 2142031125 is 5211302412.

It is not a de Polignac number, because 2142031125 - 2¹ = 2142031123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142031123) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1700746 + ... + 1702004.

It is an arithmetic number, because the mean of its divisors is an integer number (60196500).

Almost surely, 2^2142031125 is an apocalyptic number.

2142031125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2142031125 is a deficient number, since it is larger than the sum of its proper divisors (1710544875).

2142031125 is a wasteful number, since it uses less digits than its factorization.

2142031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2142031125 is about 46282.0821160846. The cubic root of 2142031125 is about 1289.0663125323.

Adding to 2142031125 its reverse (5211302412), we get a palindrome (7353333537).

The spelling of 2142031125 in words is "two billion, one hundred forty-two million, thirty-one thousand, one hundred twenty-five".