1263253 has 8 divisors (see below), whose sum is σ = 1408320. Its totient is φ = 1126080.

The previous prime is 1263247. The next prime is 1263259. The reversal of 1263253 is 3523621.

It is an interprime number because it is at equal distance from previous prime (1263247) and next prime (1263259).

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

It is not a de Polignac number, because 1263253 - 2⁹ = 1262741 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 (1263259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (176040).

2^1263253 is an apocalyptic number.

It is an amenable number.

1263253 is a deficient number, since it is larger than the sum of its proper divisors (145067).

1263253 is a wasteful number, since it uses less digits than its factorization.

1263253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947.

The product of its digits is 1080, while the sum is 22.

The square root of 1263253 is about 1123.9452833657. The cubic root of 1263253 is about 108.1010998886.

Adding to 1263253 its reverse (3523621), we get a palindrome (4786874).

The spelling of 1263253 in words is "one million, two hundred sixty-three thousand, two hundred fifty-three".