1262028947 has 2 divisors, whose sum is σ = 1262028948. Its totient is φ = 1262028946.

The previous prime is 1262028919. The next prime is 1262028953. The reversal of 1262028947 is 7498202621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1262028947 - 2¹² = 1262024851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262028917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631014473 + 631014474.

It is an arithmetic number, because the mean of its divisors is an integer number (631014474).

Almost surely, 2^1262028947 is an apocalyptic number.

1262028947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262028947 is an equidigital number, since it uses as much as digits as its factorization.

1262028947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1262028947 is about 35525.0467557750. The cubic root of 1262028947 is about 1080.6617306684.

The spelling of 1262028947 in words is "one billion, two hundred sixty-two million, twenty-eight thousand, nine hundred forty-seven".