1001146605 has 8 divisors (see below), whose sum is σ = 1601834592. Its totient is φ = 533944848.

The previous prime is 1001146589. The next prime is 1001146607. The reversal of 1001146605 is 5066411001.

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

It is not a de Polignac number, because 1001146605 - 2⁴ = 1001146589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001146607) 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 in 7 ways as a sum of consecutive naturals, for example, 33371539 + ... + 33371568.

It is an arithmetic number, because the mean of its divisors is an integer number (200229324).

Almost surely, 2^1001146605 is an apocalyptic number.

1001146605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001146605 is a deficient number, since it is larger than the sum of its proper divisors (600687987).

1001146605 is an equidigital number, since it uses as much as digits as its factorization.

1001146605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66743115.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1001146605 is about 31640.9008247237. The cubic root of 1001146605 is about 1000.3820556815.

Adding to 1001146605 its reverse (5066411001), we get a palindrome (6067557606).

It can be divided in two parts, 10011 and 46605, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 1001146605 in words is "one billion, one million, one hundred forty-six thousand, six hundred five".