1172122017 has 16 divisors (see below), whose sum is σ = 1720551360. Its totient is φ = 703857600.

The previous prime is 1172122013. The next prime is 1172122033. The reversal of 1172122017 is 7102212711.

It is not a de Polignac number, because 1172122017 - 2² = 1172122013 is a prime.

It is a super-2 number, since 2×1172122017² = 2747740045472296578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1172122013) 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, 159334 + ... + 166527.

It is an arithmetic number, because the mean of its divisors is an integer number (107534460).

Almost surely, 2^1172122017 is an apocalyptic number.

It is an amenable number.

1172122017 is a deficient number, since it is larger than the sum of its proper divisors (548429343).

1172122017 is a wasteful number, since it uses less digits than its factorization.

1172122017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325984.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 1172122017 is about 34236.2675681798. The cubic root of 1172122017 is about 1054.3649036520.

Adding to 1172122017 its reverse (7102212711), we get a palindrome (8274334728).

The spelling of 1172122017 in words is "one billion, one hundred seventy-two million, one hundred twenty-two thousand, seventeen".