1260605 has 16 divisors (see below), whose sum is σ = 1586304. Its totient is φ = 960960.

The previous prime is 1260599. The next prime is 1260629. The reversal of 1260605 is 5060621.

It is not a de Polignac number, because 1260605 - 2⁶ = 1260541 is a prime.

It is a super-3 number, since 3×1260605³ = 6009776633387835375, which contains 333 as substring.

It is an Ulam number.

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 15 ways as a sum of consecutive naturals, for example, 17720 + ... + 17790.

It is an arithmetic number, because the mean of its divisors is an integer number (99144).

2^1260605 is an apocalyptic number.

It is an amenable number.

1260605 is a deficient number, since it is larger than the sum of its proper divisors (325699).

1260605 is an equidigital number, since it uses as much as digits as its factorization.

1260605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1260605 is about 1122.7666721096. The cubic root of 1260605 is about 108.0255140909.

The spelling of 1260605 in words is "one million, two hundred sixty thousand, six hundred five".