1272653 has 2 divisors, whose sum is σ = 1272654. Its totient is φ = 1272652.

The previous prime is 1272647. The next prime is 1272673. The reversal of 1272653 is 3562721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 24964 = 1117^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272653 - 2⁶ = 1272589 is a prime.

It is a super-3 number, since 3×1272653³ = 6183740718333567231, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1272673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636326 + 636327.

It is an arithmetic number, because the mean of its divisors is an integer number (636327).

2^1272653 is an apocalyptic number.

It is an amenable number.

1272653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272653 is an equidigital number, since it uses as much as digits as its factorization.

1272653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 1272653 is about 1128.1192312872. The cubic root of 1272653 is about 108.3685681575.

The spelling of 1272653 in words is "one million, two hundred seventy-two thousand, six hundred fifty-three".