1267133116 has 48 divisors (see below), whose sum is σ = 2337328224. Its totient is φ = 600477696.

The previous prime is 1267133099. The next prime is 1267133129. The reversal of 1267133116 is 6113317621.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 883536 + ... + 884968.

It is an arithmetic number, because the mean of its divisors is an integer number (48694338).

Almost surely, 2^1267133116 is an apocalyptic number.

It is an amenable number.

1267133116 is a deficient number, since it is larger than the sum of its proper divisors (1070195108).

1267133116 is a wasteful number, since it uses less digits than its factorization.

1267133116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1628 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 1267133116 is about 35596.8132843377. The cubic root of 1267133116 is about 1082.1166525522.

The spelling of 1267133116 in words is "one billion, two hundred sixty-seven million, one hundred thirty-three thousand, one hundred sixteen".