1146781876 has 12 divisors (see below), whose sum is σ = 2026738980. Its totient is φ = 567713600.

The previous prime is 1146781873. The next prime is 1146781897. The reversal of 1146781876 is 6781876411.

It can be written as a sum of positive squares in 2 ways, for example, as 668222500 + 478559376 = 25850^2 + 21876^2 .

It is a super-2 number, since 2×1146781876² = 2630217342244158752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146781873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418881 + ... + 1419688.

It is an arithmetic number, because the mean of its divisors is an integer number (168894915).

Almost surely, 2^1146781876 is an apocalyptic number.

It is an amenable number.

1146781876 is a deficient number, since it is larger than the sum of its proper divisors (879957104).

1146781876 is a wasteful number, since it uses less digits than its factorization.

1146781876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838674 (or 2838672 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 1146781876 is about 33864.1680246245. The cubic root of 1146781876 is about 1046.7113662781.

The spelling of 1146781876 in words is "one billion, one hundred forty-six million, seven hundred eighty-one thousand, eight hundred seventy-six".