1270453 has 4 divisors (see below), whose sum is σ = 1277100. Its totient is φ = 1263808.

The previous prime is 1270441. The next prime is 1270471. The reversal of 1270453 is 3540721.

1270453 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1238769 + 31684 = 1113^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270453 - 2⁵ = 1270421 is a prime.

It is a super-2 number, since 2×1270453² = 3228101650418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (319275).

2^1270453 is an apocalyptic number.

It is an amenable number.

1270453 is a deficient number, since it is larger than the sum of its proper divisors (6647).

1270453 is an equidigital number, since it uses as much as digits as its factorization.

1270453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1270453 is about 1127.1437352885. The cubic root of 1270453 is about 108.3060875598.

The spelling of 1270453 in words is "one million, two hundred seventy thousand, four hundred fifty-three".