1143212104 has 32 divisors (see below), whose sum is σ = 2199352320. Its totient is φ = 556790976.

The previous prime is 1143212099. The next prime is 1143212131. The reversal of 1143212104 is 4012123411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127414 + ... + 136090.

It is an arithmetic number, because the mean of its divisors is an integer number (68729760).

Almost surely, 2^1143212104 is an apocalyptic number.

It is an amenable number.

1143212104 is a deficient number, since it is larger than the sum of its proper divisors (1056140216).

1143212104 is a wasteful number, since it uses less digits than its factorization.

1143212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9109 (or 9105 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143212104 is about 33811.4197276601. The cubic root of 1143212104 is about 1045.6241485564.

Adding to 1143212104 its reverse (4012123411), we get a palindrome (5155335515).

The spelling of 1143212104 in words is "one billion, one hundred forty-three million, two hundred twelve thousand, one hundred four".