1001441047 has 2 divisors, whose sum is σ = 1001441048. Its totient is φ = 1001441046.

The previous prime is 1001441039. The next prime is 1001441057. The reversal of 1001441047 is 7401441001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001441047 - 2³ = 1001441039 is a prime.

It is a super-5 number, since 5×1001441047⁵ (a number of 46 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001441057) by changing a digit.

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, 500720523 + 500720524.

It is an arithmetic number, because the mean of its divisors is an integer number (500720524).

Almost surely, 2^1001441047 is an apocalyptic number.

1001441047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001441047 is an equidigital number, since it uses as much as digits as its factorization.

1001441047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1001441047 is about 31645.5533527224. The cubic root of 1001441047 is about 1000.4801184494.

Adding to 1001441047 its reverse (7401441001), we get a palindrome (8402882048).

The spelling of 1001441047 in words is "one billion, one million, four hundred forty-one thousand, forty-seven".