1267133117 has 8 divisors (see below), whose sum is σ = 1302279000. Its totient is φ = 1232034624.

The previous prime is 1267133099. The next prime is 1267133129. The reversal of 1267133117 is 7113317621.

It can be written as a sum of positive squares in 4 ways, for example, as 126990361 + 1140142756 = 11269^2 + 33766^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1267133117 - 2⁸ = 1267132861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267133177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46259 + ... + 68367.

It is an arithmetic number, because the mean of its divisors is an integer number (162784875).

Almost surely, 2^1267133117 is an apocalyptic number.

It is an amenable number.

1267133117 is a deficient number, since it is larger than the sum of its proper divisors (35145883).

1267133117 is a wasteful number, since it uses less digits than its factorization.

1267133117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23695.

The product of its digits is 5292, while the sum is 32.

The square root of 1267133117 is about 35596.8132983839. The cubic root of 1267133117 is about 1082.1166528368.

The spelling of 1267133117 in words is "one billion, two hundred sixty-seven million, one hundred thirty-three thousand, one hundred seventeen".