1296672167 has 8 divisors (see below), whose sum is σ = 1482131616. Its totient is φ = 1111267872.

The previous prime is 1296672151. The next prime is 1296672187. The reversal of 1296672167 is 7612766921.

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 1296672167 - 2⁴ = 1296672151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296672107) 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, 73193 + ... + 89165.

It is an arithmetic number, because the mean of its divisors is an integer number (185266452).

Almost surely, 2^1296672167 is an apocalyptic number.

1296672167 is a deficient number, since it is larger than the sum of its proper divisors (185459449).

1296672167 is a wasteful number, since it uses less digits than its factorization.

1296672167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27577.

The product of its digits is 381024, while the sum is 47.

The square root of 1296672167 is about 36009.3344426136. The cubic root of 1296672167 is about 1090.4608120879.

The spelling of 1296672167 in words is "one billion, two hundred ninety-six million, six hundred seventy-two thousand, one hundred sixty-seven".