2141243125 has 20 divisors (see below), whose sum is σ = 3057946144. Its totient is φ = 1468278000.

The previous prime is 2141243113. The next prime is 2141243131. The reversal of 2141243125 is 5213421412.

It is not a de Polignac number, because 2141243125 - 2⁷ = 2141242997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141243125.

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 19 ways as a sum of consecutive naturals, for example, 240339 + ... + 249088.

Almost surely, 2^2141243125 is an apocalyptic number.

2141243125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2141243125 is a deficient number, since it is larger than the sum of its proper divisors (916703019).

2141243125 is an frugal number, since it uses more digits than its factorization.

2141243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489454 (or 489439 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2141243125 is about 46273.5683192900. The cubic root of 2141243125 is about 1288.9082213281.

Adding to 2141243125 its reverse (5213421412), we get a palindrome (7354664537).

The spelling of 2141243125 in words is "two billion, one hundred forty-one million, two hundred forty-three thousand, one hundred twenty-five".