1052400243 has 32 divisors (see below), whose sum is σ = 1454906880. Its totient is φ = 676362240.

The previous prime is 1052400233. The next prime is 1052400247. The reversal of 1052400243 is 3420042501.

It is not a de Polignac number, because 1052400243 - 2¹³ = 1052392051 is a prime.

It is a super-2 number, since 2×1052400243² = 2215092542932918098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052400247) 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 31 ways as a sum of consecutive naturals, for example, 2931298 + ... + 2931656.

It is an arithmetic number, because the mean of its divisors is an integer number (45465840).

Almost surely, 2^1052400243 is an apocalyptic number.

1052400243 is a deficient number, since it is larger than the sum of its proper divisors (402506637).

1052400243 is a wasteful number, since it uses less digits than its factorization.

1052400243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699.

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

The square root of 1052400243 is about 32440.7189038714. The cubic root of 1052400243 is about 1017.1702430587.

Adding to 1052400243 its reverse (3420042501), we get a palindrome (4472442744).

The spelling of 1052400243 in words is "one billion, fifty-two million, four hundred thousand, two hundred forty-three".