1273048753 has 2 divisors, whose sum is σ = 1273048754. Its totient is φ = 1273048752.

The previous prime is 1273048741. The next prime is 1273048789. The reversal of 1273048753 is 3578403721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1190457009 + 82591744 = 34503^2 + 9088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1273048753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1273048793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636524376 + 636524377.

It is an arithmetic number, because the mean of its divisors is an integer number (636524377).

Almost surely, 2^1273048753 is an apocalyptic number.

It is an amenable number.

1273048753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273048753 is an equidigital number, since it uses as much as digits as its factorization.

1273048753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 1273048753 is about 35679.8087578956. The cubic root of 1273048753 is about 1083.7980000708.

The spelling of 1273048753 in words is "one billion, two hundred seventy-three million, forty-eight thousand, seven hundred fifty-three".