1002520147 has 2 divisors, whose sum is σ = 1002520148. Its totient is φ = 1002520146.

The previous prime is 1002520139. The next prime is 1002520157. The reversal of 1002520147 is 7410252001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002520147 - 2³ = 1002520139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002520157) 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, 501260073 + 501260074.

It is an arithmetic number, because the mean of its divisors is an integer number (501260074).

Almost surely, 2^1002520147 is an apocalyptic number.

1002520147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002520147 is an equidigital number, since it uses as much as digits as its factorization.

1002520147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1002520147 is about 31662.5985509718. The cubic root of 1002520147 is about 1000.8393443040.

Adding to 1002520147 its reverse (7410252001), we get a palindrome (8412772148).

The spelling of 1002520147 in words is "one billion, two million, five hundred twenty thousand, one hundred forty-seven".