1051252443 has 12 divisors (see below), whose sum is σ = 1607798088. Its totient is φ = 659609280.

The previous prime is 1051252441. The next prime is 1051252451. The reversal of 1051252443 is 3442521501.

It is not a de Polignac number, because 1051252443 - 2¹ = 1051252441 is a prime.

It is a super-2 number, since 2×1051252443² = 2210263397826936498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051252441) 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 11 ways as a sum of consecutive naturals, for example, 3435313 + ... + 3435618.

It is an arithmetic number, because the mean of its divisors is an integer number (133983174).

Almost surely, 2^1051252443 is an apocalyptic number.

1051252443 is a deficient number, since it is larger than the sum of its proper divisors (556545645).

1051252443 is a wasteful number, since it uses less digits than its factorization.

1051252443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870954 (or 6870951 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1051252443 is about 32423.0233476152. The cubic root of 1051252443 is about 1016.8003164022.

Adding to 1051252443 its reverse (3442521501), we get a palindrome (4493773944).

The spelling of 1051252443 in words is "one billion, fifty-one million, two hundred fifty-two thousand, four hundred forty-three".