1321927967 has 8 divisors (see below), whose sum is σ = 1426969440. Its totient is φ = 1220850400.

The previous prime is 1321927903. The next prime is 1321927979. The reversal of 1321927967 is 7697291231.

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 1321927967 - 2⁶ = 1321927903 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 (1321927987) 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, 990284 + ... + 991617.

It is an arithmetic number, because the mean of its divisors is an integer number (178371180).

Almost surely, 2^1321927967 is an apocalyptic number.

1321927967 is a deficient number, since it is larger than the sum of its proper divisors (105041473).

1321927967 is a wasteful number, since it uses less digits than its factorization.

1321927967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981953.

The product of its digits is 285768, while the sum is 47.

The square root of 1321927967 is about 36358.3273405144. The cubic root of 1321927967 is about 1097.4951176527.

The spelling of 1321927967 in words is "one billion, three hundred twenty-one million, nine hundred twenty-seven thousand, nine hundred sixty-seven".