1273353047 has 8 divisors (see below), whose sum is σ = 1302772800. Its totient is φ = 1244265984.

The previous prime is 1273352981. The next prime is 1273353061. The reversal of 1273353047 is 7403533721.

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 1273353047 - 2⁸ = 1273352791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1273352998 and 1273353016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273353097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75422 + ... + 90747.

It is an arithmetic number, because the mean of its divisors is an integer number (162846600).

Almost surely, 2^1273353047 is an apocalyptic number.

1273353047 is a deficient number, since it is larger than the sum of its proper divisors (29419753).

1273353047 is an equidigital number, since it uses as much as digits as its factorization.

1273353047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166345.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 1273353047 is about 35684.0727356057. The cubic root of 1273353047 is about 1083.8843457966.

Adding to 1273353047 its reverse (7403533721), we get a palindrome (8676886768).

The spelling of 1273353047 in words is "one billion, two hundred seventy-three million, three hundred fifty-three thousand, forty-seven".