1005102243 has 16 divisors (see below), whose sum is σ = 1537075200. Its totient is φ = 648452520.

The previous prime is 1005102239. The next prime is 1005102247. The reversal of 1005102243 is 3422015001.

It is an interprime number because it is at equal distance from previous prime (1005102239) and next prime (1005102247).

It is not a de Polignac number, because 1005102243 - 2² = 1005102239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005102247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599583 + ... + 601256.

It is an arithmetic number, because the mean of its divisors is an integer number (96067200).

Almost surely, 2^1005102243 is an apocalyptic number.

1005102243 is a deficient number, since it is larger than the sum of its proper divisors (531972957).

1005102243 is a wasteful number, since it uses less digits than its factorization.

1005102243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200879 (or 1200873 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1005102243 is about 31703.3475046406. The cubic root of 1005102243 is about 1001.6978632954.

Adding to 1005102243 its reverse (3422015001), we get a palindrome (4427117244).

The spelling of 1005102243 in words is "one billion, five million, one hundred two thousand, two hundred forty-three".