1146969812 has 6 divisors (see below), whose sum is σ = 2007197178. Its totient is φ = 573484904.

The previous prime is 1146969809. The next prime is 1146969829. The reversal of 1146969812 is 2189696411.

It can be written as a sum of positive squares in only one way, i.e., 697699396 + 449270416 = 26414^2 + 21196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143371223 + ... + 143371230.

It is an arithmetic number, because the mean of its divisors is an integer number (334532863).

Almost surely, 2^1146969812 is an apocalyptic number.

It is an amenable number.

1146969812 is a deficient number, since it is larger than the sum of its proper divisors (860227366).

1146969812 is a wasteful number, since it uses less digits than its factorization.

1146969812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286742457 (or 286742455 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 1146969812 is about 33866.9427613418. The cubic root of 1146969812 is about 1046.7685419295.

The spelling of 1146969812 in words is "one billion, one hundred forty-six million, nine hundred sixty-nine thousand, eight hundred twelve".