1266948567 has 32 divisors (see below), whose sum is σ = 1895002560. Its totient is φ = 836559360.

The previous prime is 1266948539. The next prime is 1266948601. The reversal of 1266948567 is 7658496621.

1266948567 is a `hidden beast` number, since 12 + 6 + 69 + 4 + 8 + 567 = 666.

It is not a de Polignac number, because 1266948567 - 2¹⁰ = 1266947543 is a prime.

Its product of digits (4354560) is a multiple of the sum of its prime factors (1280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266948167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1664467 + ... + 1665227.

It is an arithmetic number, because the mean of its divisors is an integer number (59218830).

Almost surely, 2^1266948567 is an apocalyptic number.

1266948567 is a deficient number, since it is larger than the sum of its proper divisors (628053993).

1266948567 is a wasteful number, since it uses less digits than its factorization.

1266948567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1274 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1266948567 is about 35594.2209775688. The cubic root of 1266948567 is about 1082.0641157825.

The spelling of 1266948567 in words is "one billion, two hundred sixty-six million, nine hundred forty-eight thousand, five hundred sixty-seven".