1177172017 has 16 divisors (see below), whose sum is σ = 1359216640. Its totient is φ = 998636688.

The previous prime is 1177171997. The next prime is 1177172023. The reversal of 1177172017 is 7102717711.

It is not a de Polignac number, because 1177172017 - 2²³ = 1168783409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1177172047) 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, 431584 + ... + 434302.

It is an arithmetic number, because the mean of its divisors is an integer number (84951040).

Almost surely, 2^1177172017 is an apocalyptic number.

It is an amenable number.

1177172017 is a deficient number, since it is larger than the sum of its proper divisors (182044623).

1177172017 is a wasteful number, since it uses less digits than its factorization.

1177172017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340.

The product of its (nonzero) digits is 4802, while the sum is 34.

The square root of 1177172017 is about 34309.9404983454. The cubic root of 1177172017 is about 1055.8769516410.

Adding to 1177172017 its reverse (7102717711), we get a palindrome (8279889728).

The spelling of 1177172017 in words is "one billion, one hundred seventy-seven million, one hundred seventy-two thousand, seventeen".