1146605 has 4 divisors (see below), whose sum is σ = 1375932. Its totient is φ = 917280.

The previous prime is 1146581. The next prime is 1146661. The reversal of 1146605 is 5066411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 669124 = 691^2 + 818^2 .

It is not a de Polignac number, because 1146605 - 2¹² = 1142509 is a prime.

It is a Duffinian number.

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, 114656 + ... + 114665.

It is an arithmetic number, because the mean of its divisors is an integer number (343983).

2^1146605 is an apocalyptic number.

It is an amenable number.

1146605 is a deficient number, since it is larger than the sum of its proper divisors (229327).

1146605 is an equidigital number, since it uses as much as digits as its factorization.

1146605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229326.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1146605 is about 1070.7964325678. The cubic root of 1146605 is about 104.6657549697.

The spelling of 1146605 in words is "one million, one hundred forty-six thousand, six hundred five".