1052021434 has 4 divisors (see below), whose sum is σ = 1578032154. Its totient is φ = 526010716.

The previous prime is 1052021423. The next prime is 1052021447. The reversal of 1052021434 is 4341202501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 973752025 + 78269409 = 31205^2 + 8847^2 .

It is a super-2 number, since 2×1052021434² = 2213498195190832712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263005357 + ... + 263005360.

Almost surely, 2^1052021434 is an apocalyptic number.

1052021434 is a deficient number, since it is larger than the sum of its proper divisors (526010720).

1052021434 is an equidigital number, since it uses as much as digits as its factorization.

1052021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526010719.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1052021434 is about 32434.8798980357. The cubic root of 1052021434 is about 1017.0481857314.

Adding to 1052021434 its reverse (4341202501), we get a palindrome (5393223935).

The spelling of 1052021434 in words is "one billion, fifty-two million, twenty-one thousand, four hundred thirty-four".