1005122536 has 32 divisors (see below), whose sum is σ = 2077145280. Its totient is φ = 452160000.

The previous prime is 1005122519. The next prime is 1005122537. The reversal of 1005122536 is 6352215001.

It is a self number, because there is not a number n which added to its sum of digits gives 1005122536.

It is not an unprimeable number, because it can be changed into a prime (1005122537) 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 7 ways as a sum of consecutive naturals, for example, 50340 + ... + 67411.

It is an arithmetic number, because the mean of its divisors is an integer number (64910790).

Almost surely, 2^1005122536 is an apocalyptic number.

It is an amenable number.

1005122536 is an abundant number, since it is smaller than the sum of its proper divisors (1072022744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005122536 is a wasteful number, since it uses less digits than its factorization.

1005122536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117865 (or 117861 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1005122536 is about 31703.6675480929. The cubic root of 1005122536 is about 1001.7046046719.

Adding to 1005122536 its reverse (6352215001), we get a palindrome (7357337537).

The spelling of 1005122536 in words is "one billion, five million, one hundred twenty-two thousand, five hundred thirty-six".