1273470047 has 2 divisors, whose sum is σ = 1273470048. Its totient is φ = 1273470046.

The previous prime is 1273470013. The next prime is 1273470067. The reversal of 1273470047 is 7400743721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1273470047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1273469989 and 1273470016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1273470067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636735023 + 636735024.

It is an arithmetic number, because the mean of its divisors is an integer number (636735024).

Almost surely, 2^1273470047 is an apocalyptic number.

1273470047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273470047 is an equidigital number, since it uses as much as digits as its factorization.

1273470047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 1273470047 is about 35685.7120848106. The cubic root of 1273470047 is about 1083.9175417708.

The spelling of 1273470047 in words is "one billion, two hundred seventy-three million, four hundred seventy thousand, forty-seven".