1260355 has 8 divisors (see below), whose sum is σ = 1531152. Its totient is φ = 995808.

The previous prime is 1260341. The next prime is 1260359. The reversal of 1260355 is 5530621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1260355 - 2⁵ = 1260323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

2^1260355 is an apocalyptic number.

1260355 is a deficient number, since it is larger than the sum of its proper divisors (270797).

1260355 is an equidigital number, since it uses as much as digits as its factorization.

1260355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1260355 is about 1122.6553344638. The cubic root of 1260355 is about 108.0183725031.

Adding to 1260355 its reverse (5530621), we get a palindrome (6790976).

The spelling of 1260355 in words is "one million, two hundred sixty thousand, three hundred fifty-five".