1001005606 has 8 divisors (see below), whose sum is σ = 1518379560. Its totient is φ = 494879088.

The previous prime is 1001005589. The next prime is 1001005619. The reversal of 1001005606 is 6065001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811636 + ... + 2811991.

It is an arithmetic number, because the mean of its divisors is an integer number (189797445).

Almost surely, 2^1001005606 is an apocalyptic number.

1001005606 is a deficient number, since it is larger than the sum of its proper divisors (517373954).

1001005606 is an equidigital number, since it uses as much as digits as its factorization.

1001005606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623718.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1001005606 is about 31638.6726333454. The cubic root of 1001005606 is about 1000.3350897023.

Adding to 1001005606 its reverse (6065001001), we get a palindrome (7066006607).

The spelling of 1001005606 in words is "one billion, one million, five thousand, six hundred six".