1171496812 has 24 divisors (see below), whose sum is σ = 2197079136. Its totient is φ = 545136768.

The previous prime is 1171496803. The next prime is 1171496831. The reversal of 1171496812 is 2186941711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168673 + ... + 175480.

It is an arithmetic number, because the mean of its divisors is an integer number (91544964).

Almost surely, 2^1171496812 is an apocalyptic number.

It is an amenable number.

1171496812 is a deficient number, since it is larger than the sum of its proper divisors (1025582324).

1171496812 is a wasteful number, since it uses less digits than its factorization.

1171496812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344217 (or 344215 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 1171496812 is about 34227.1356090456. The cubic root of 1171496812 is about 1054.1774056957.

The spelling of 1171496812 in words is "one billion, one hundred seventy-one million, four hundred ninety-six thousand, eight hundred twelve".