1264253 has 8 divisors (see below), whose sum is σ = 1327872. Its totient is φ = 1202256.

The previous prime is 1264231. The next prime is 1264259. The reversal of 1264253 is 3524621.

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 1264253 - 2⁶ = 1264189 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 (1264259) 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, 1376 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

2^1264253 is an apocalyptic number.

It is an amenable number.

1264253 is a deficient number, since it is larger than the sum of its proper divisors (63619).

1264253 is an equidigital number, since it uses as much as digits as its factorization.

1264253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 1440, while the sum is 23.

The square root of 1264253 is about 1124.3900568753. The cubic root of 1264253 is about 108.1296168966.

Adding to 1264253 its reverse (3524621), we get a palindrome (4788874).

The spelling of 1264253 in words is "one million, two hundred sixty-four thousand, two hundred fifty-three".