1267113267 has 32 divisors (see below), whose sum is σ = 2147036160. Its totient is φ = 723504960.

The previous prime is 1267113233. The next prime is 1267113271. The reversal of 1267113267 is 7623117621.

It is a happy number.

1267113267 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1267113267 - 2¹⁰ = 1267112243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1267113277) 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, 466042 + ... + 468752.

It is an arithmetic number, because the mean of its divisors is an integer number (67094880).

Almost surely, 2^1267113267 is an apocalyptic number.

1267113267 is a deficient number, since it is larger than the sum of its proper divisors (879922893).

1267113267 is a wasteful number, since it uses less digits than its factorization.

1267113267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200 (or 5194 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 1267113267 is about 35596.5344801991. The cubic root of 1267113267 is about 1082.1110022525. Note that the first 3 decimals are identical.

The spelling of 1267113267 in words is "one billion, two hundred sixty-seven million, one hundred thirteen thousand, two hundred sixty-seven".