1263377047 has 2 divisors, whose sum is σ = 1263377048. Its totient is φ = 1263377046.

The previous prime is 1263377033. The next prime is 1263377123. The reversal of 1263377047 is 7407733621.

It is a weak prime.

It is an emirp because it is prime and its reverse (7407733621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1263377047 - 2²³ = 1254988439 is a prime.

It is a super-2 number, since 2×1263377047² = 3192243125772880418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263377747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631688523 + 631688524.

It is an arithmetic number, because the mean of its divisors is an integer number (631688524).

Almost surely, 2^1263377047 is an apocalyptic number.

1263377047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263377047 is an equidigital number, since it uses as much as digits as its factorization.

1263377047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 1263377047 is about 35544.0156285133. The cubic root of 1263377047 is about 1081.0463815534.

The spelling of 1263377047 in words is "one billion, two hundred sixty-three million, three hundred seventy-seven thousand, forty-seven".