1263453 has 8 divisors (see below), whose sum is σ = 1699968. Its totient is φ = 834624.

The previous prime is 1263403. The next prime is 1263461. The reversal of 1263453 is 3543621.

It is a happy number.

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

It is not a de Polignac number, because 1263453 - 2⁹ = 1262941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263403) 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, 1525 + ... + 2202.

It is an arithmetic number, because the mean of its divisors is an integer number (212496).

2^1263453 is an apocalyptic number.

It is an amenable number.

1263453 is a deficient number, since it is larger than the sum of its proper divisors (436515).

1263453 is a wasteful number, since it uses less digits than its factorization.

1263453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its digits is 2160, while the sum is 24.

The square root of 1263453 is about 1124.0342521471. The cubic root of 1263453 is about 108.1068044939.

The spelling of 1263453 in words is "one million, two hundred sixty-three thousand, four hundred fifty-three".