1172101012 has 6 divisors (see below), whose sum is σ = 2051176778. Its totient is φ = 586050504.

The previous prime is 1172101001. The next prime is 1172101019. The reversal of 1172101012 is 2101012711.

It can be written as a sum of positive squares in only one way, i.e., 872257156 + 299843856 = 29534^2 + 17316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146512623 + ... + 146512630.

Almost surely, 2^1172101012 is an apocalyptic number.

It is an amenable number.

1172101012 is a deficient number, since it is larger than the sum of its proper divisors (879075766).

1172101012 is a wasteful number, since it uses less digits than its factorization.

1172101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293025257 (or 293025255 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 1172101012 is about 34235.9608014731. The cubic root of 1172101012 is about 1054.3586053694.

Adding to 1172101012 its reverse (2101012711), we get a palindrome (3273113723).

The spelling of 1172101012 in words is "one billion, one hundred seventy-two million, one hundred one thousand, twelve".