1005043201 has 2 divisors, whose sum is σ = 1005043202. Its totient is φ = 1005043200.

The previous prime is 1005043183. The next prime is 1005043243. The reversal of 1005043201 is 1023405001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743380225 + 261662976 = 27265^2 + 16176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005043201 - 2¹⁹ = 1004518913 is a prime.

It is a super-2 number, since 2×1005043201² = 2020223671752652802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1005043261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502521600 + 502521601.

It is an arithmetic number, because the mean of its divisors is an integer number (502521601).

Almost surely, 2^1005043201 is an apocalyptic number.

It is an amenable number.

1005043201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005043201 is an equidigital number, since it uses as much as digits as its factorization.

1005043201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1005043201 is about 31702.4163274663. The cubic root of 1005043201 is about 1001.6782489050.

Adding to 1005043201 its reverse (1023405001), we get a palindrome (2028448202).

The spelling of 1005043201 in words is "one billion, five million, forty-three thousand, two hundred one".