1171522012 has 12 divisors (see below), whose sum is σ = 2050417656. Its totient is φ = 585688400.

The previous prime is 1171521979. The next prime is 1171522049. The reversal of 1171522012 is 2102251711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36303 + ... + 60505.

It is an arithmetic number, because the mean of its divisors is an integer number (170868138).

Almost surely, 2^1171522012 is an apocalyptic number.

It is an amenable number.

1171522012 is a deficient number, since it is larger than the sum of its proper divisors (878895644).

1171522012 is a wasteful number, since it uses less digits than its factorization.

1171522012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36308 (or 36306 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1171522012 is about 34227.5037360308. The cubic root of 1171522012 is about 1054.1849644245.

Adding to 1171522012 its reverse (2102251711), we get a palindrome (3273773723).

The spelling of 1171522012 in words is "one billion, one hundred seventy-one million, five hundred twenty-two thousand, twelve".