1101321453 has 8 divisors (see below), whose sum is σ = 1545714400. Its totient is φ = 695571408.

The previous prime is 1101321427. The next prime is 1101321457. The reversal of 1101321453 is 3541231011.

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

It is not a de Polignac number, because 1101321453 - 2¹⁶ = 1101255917 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 (1101321457) 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, 9660658 + ... + 9660771.

It is an arithmetic number, because the mean of its divisors is an integer number (193214300).

Almost surely, 2^1101321453 is an apocalyptic number.

It is an amenable number.

1101321453 is a deficient number, since it is larger than the sum of its proper divisors (444392947).

1101321453 is a wasteful number, since it uses less digits than its factorization.

1101321453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19321451.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1101321453 is about 33186.1635776117. The cubic root of 1101321453 is about 1032.6933166004.

Adding to 1101321453 its reverse (3541231011), we get a palindrome (4642552464).

The spelling of 1101321453 in words is "one billion, one hundred one million, three hundred twenty-one thousand, four hundred fifty-three".