1268473277 has 2 divisors, whose sum is σ = 1268473278. Its totient is φ = 1268473276.

The previous prime is 1268473267. The next prime is 1268473303. The reversal of 1268473277 is 7723748621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1268356996 + 116281 = 35614^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1268473277 - 2¹⁶ = 1268407741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268473267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634236638 + 634236639.

It is an arithmetic number, because the mean of its divisors is an integer number (634236639).

Almost surely, 2^1268473277 is an apocalyptic number.

It is an amenable number.

1268473277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268473277 is an equidigital number, since it uses as much as digits as its factorization.

1268473277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 1268473277 is about 35615.6324806959. The cubic root of 1268473277 is about 1082.4980120042.

The spelling of 1268473277 in words is "one billion, two hundred sixty-eight million, four hundred seventy-three thousand, two hundred seventy-seven".