1170605455 has 4 divisors (see below), whose sum is σ = 1404726552. Its totient is φ = 936484360.

The previous prime is 1170605437. The next prime is 1170605507. The reversal of 1170605455 is 5545060711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1170605455 - 2⁹ = 1170604943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1170605455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117060541 + ... + 117060550.

It is an arithmetic number, because the mean of its divisors is an integer number (351181638).

Almost surely, 2^1170605455 is an apocalyptic number.

1170605455 is a deficient number, since it is larger than the sum of its proper divisors (234121097).

1170605455 is an equidigital number, since it uses as much as digits as its factorization.

1170605455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234121096.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1170605455 is about 34214.1119276827. Note that the first 3 decimals coincide. The cubic root of 1170605455 is about 1053.9099738035.

The spelling of 1170605455 in words is "one billion, one hundred seventy million, six hundred five thousand, four hundred fifty-five".