1260263 has 4 divisors (see below), whose sum is σ = 1269600. Its totient is φ = 1250928.

The previous prime is 1260223. The next prime is 1260269. The reversal of 1260263 is 3620621.

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

It is a cyclic number.

It is not a de Polignac number, because 1260263 - 2¹⁶ = 1194727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4463 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (317400).

2^1260263 is an apocalyptic number.

1260263 is a deficient number, since it is larger than the sum of its proper divisors (9337).

1260263 is an equidigital number, since it uses as much as digits as its factorization.

1260263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1260263 is about 1122.6143594307. The cubic root of 1260263 is about 108.0157441610.

Adding to 1260263 its reverse (3620621), we get a palindrome (4880884).

The spelling of 1260263 in words is "one million, two hundred sixty thousand, two hundred sixty-three".