1012001147 has 2 divisors, whose sum is σ = 1012001148. Its totient is φ = 1012001146.

The previous prime is 1012001141. The next prime is 1012001189. The reversal of 1012001147 is 7411002101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012001147 - 2⁴ = 1012001131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012001141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506000573 + 506000574.

It is an arithmetic number, because the mean of its divisors is an integer number (506000574).

Almost surely, 2^1012001147 is an apocalyptic number.

1012001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012001147 is an equidigital number, since it uses as much as digits as its factorization.

1012001147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 1012001147 is about 31811.9654689867. The cubic root of 1012001147 is about 1003.9844851256.

Adding to 1012001147 its reverse (7411002101), we get a palindrome (8423003248).

The spelling of 1012001147 in words is "one billion, twelve million, one thousand, one hundred forty-seven".