1252125443 has 2 divisors, whose sum is σ = 1252125444. Its totient is φ = 1252125442.

The previous prime is 1252125437. The next prime is 1252125461. The reversal of 1252125443 is 3445212521.

It is a weak prime.

It is an emirp because it is prime and its reverse (3445212521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252125443 - 2¹⁴ = 1252109059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252125493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626062721 + 626062722.

It is an arithmetic number, because the mean of its divisors is an integer number (626062722).

Almost surely, 2^1252125443 is an apocalyptic number.

1252125443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252125443 is an equidigital number, since it uses as much as digits as its factorization.

1252125443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 1252125443 is about 35385.3845959034. The cubic root of 1252125443 is about 1077.8275497092.

Adding to 1252125443 its reverse (3445212521), we get a palindrome (4697337964).

The spelling of 1252125443 in words is "one billion, two hundred fifty-two million, one hundred twenty-five thousand, four hundred forty-three".