1105453391 has 8 divisors (see below), whose sum is σ = 1263602304. Its totient is φ = 947361240.

The previous prime is 1105453379. The next prime is 1105453409. The reversal of 1105453391 is 1933545011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1105453391 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 (1105453351) 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, 42836 + ... + 63606.

It is an arithmetic number, because the mean of its divisors is an integer number (157950288).

Almost surely, 2^1105453391 is an apocalyptic number.

1105453391 is a deficient number, since it is larger than the sum of its proper divisors (158148913).

1105453391 is an equidigital number, since it uses as much as digits as its factorization.

1105453391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1105453391 is about 33248.3592226744. The cubic root of 1105453391 is about 1033.9831911413.

The spelling of 1105453391 in words is "one billion, one hundred five million, four hundred fifty-three thousand, three hundred ninety-one".