1321267674 has 8 divisors (see below), whose sum is σ = 2642535360. Its totient is φ = 440422556.

The previous prime is 1321267627. The next prime is 1321267679. The reversal of 1321267674 is 4767621231.

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

1321267674 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1321267679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110105634 + ... + 110105645.

It is an arithmetic number, because the mean of its divisors is an integer number (330316920).

Almost surely, 2^1321267674 is an apocalyptic number.

1321267674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321267674 is a wasteful number, since it uses less digits than its factorization.

1321267674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220211284.

The product of its digits is 84672, while the sum is 39.

The square root of 1321267674 is about 36349.2458518743. The cubic root of 1321267674 is about 1097.3123570559.

The spelling of 1321267674 in words is "one billion, three hundred twenty-one million, two hundred sixty-seven thousand, six hundred seventy-four".