1321106268 has 48 divisors (see below), whose sum is σ = 3195247104. Its totient is φ = 424554240.

The previous prime is 1321106263. The next prime is 1321106273. The reversal of 1321106268 is 8626011231.

It is an interprime number because it is at equal distance from previous prime (1321106263) and next prime (1321106273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321106263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20308 + ... + 55268.

It is an arithmetic number, because the mean of its divisors is an integer number (66567648).

Almost surely, 2^1321106268 is an apocalyptic number.

It is an amenable number.

1321106268 is an abundant number, since it is smaller than the sum of its proper divisors (1874140836).

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

1321106268 is a wasteful number, since it uses less digits than its factorization.

1321106268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35082 (or 35080 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1321106268 is about 36347.0255729406. The cubic root of 1321106268 is about 1097.2676726934.

Adding to 1321106268 its reverse (8626011231), we get a palindrome (9947117499).

The spelling of 1321106268 in words is "one billion, three hundred twenty-one million, one hundred six thousand, two hundred sixty-eight".