1002011530 has 32 divisors (see below), whose sum is σ = 1954318464. Its totient is φ = 367695936.

The previous prime is 1002011489. The next prime is 1002011539. The reversal of 1002011530 is 351102001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1002011530.

It is not an unprimeable number, because it can be changed into a prime (1002011539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2454 + ... + 44833.

It is an arithmetic number, because the mean of its divisors is an integer number (61072452).

Almost surely, 2^1002011530 is an apocalyptic number.

1002011530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002011530 is a deficient number, since it is larger than the sum of its proper divisors (952306934).

1002011530 is a wasteful number, since it uses less digits than its factorization.

1002011530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47470.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1002011530 is about 31654.5657054397. The cubic root of 1002011530 is about 1000.6700609181.

Adding to 1002011530 its reverse (351102001), we get a palindrome (1353113531).

The spelling of 1002011530 in words is "one billion, two million, eleven thousand, five hundred thirty".