1171444417 has 16 divisors (see below), whose sum is σ = 1380456000. Its totient is φ = 980020800.

The previous prime is 1171444397. The next prime is 1171444429. The reversal of 1171444417 is 7144441711.

It is not a de Polignac number, because 1171444417 - 2²⁷ = 1037226689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1171444117) 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, 34959 + ... + 59707.

It is an arithmetic number, because the mean of its divisors is an integer number (86278500).

Almost surely, 2^1171444417 is an apocalyptic number.

It is an amenable number.

1171444417 is a deficient number, since it is larger than the sum of its proper divisors (209011583).

1171444417 is a wasteful number, since it uses less digits than its factorization.

1171444417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104.

The product of its digits is 12544, while the sum is 34.

The square root of 1171444417 is about 34226.3701990147. The cubic root of 1171444417 is about 1054.1616894917.

It can be divided in two parts, 11 and 71444417, that multiplied together give a palindrome (785888587).

The spelling of 1171444417 in words is "one billion, one hundred seventy-one million, four hundred forty-four thousand, four hundred seventeen".