2125443000 has 64 divisors (see below), whose sum is σ = 6631391520. Its totient is φ = 566784000.

The previous prime is 2125442953. The next prime is 2125443017. The reversal of 2125443000 is 3445212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351241 + ... + 357240.

Almost surely, 2^2125443000 is an apocalyptic number.

2125443000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125443000 is an abundant number, since it is smaller than the sum of its proper divisors (4505948520).

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

2125443000 is a wasteful number, since it uses less digits than its factorization.

2125443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708505 (or 708491 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2125443000 is about 46102.5270457054. The cubic root of 2125443000 is about 1285.7301285526.

Adding to 2125443000 its reverse (3445212), we get a palindrome (2128888212).

The spelling of 2125443000 in words is "two billion, one hundred twenty-five million, four hundred forty-three thousand".