1263359 has 4 divisors (see below), whose sum is σ = 1265616. Its totient is φ = 1261104.

The previous prime is 1263347. The next prime is 1263373. The reversal of 1263359 is 9533621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1263359 - 2⁸ = 1263103 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 1644.

It is an arithmetic number, because the mean of its divisors is an integer number (316404).

2^1263359 is an apocalyptic number.

1263359 is a deficient number, since it is larger than the sum of its proper divisors (2257).

1263359 is a wasteful number, since it uses less digits than its factorization.

1263359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256.

The product of its digits is 4860, while the sum is 29.

The square root of 1263359 is about 1123.9924376970. The cubic root of 1263359 is about 108.1041234044.

The spelling of 1263359 in words is "one million, two hundred sixty-three thousand, three hundred fifty-nine".