1122004143 has 48 divisors (see below), whose sum is σ = 1821921920. Its totient is φ = 685913184.

The previous prime is 1122004139. The next prime is 1122004159. The reversal of 1122004143 is 3414002211.

It is not a de Polignac number, because 1122004143 - 2² = 1122004139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122004123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513828 + ... + 516006.

Almost surely, 2^1122004143 is an apocalyptic number.

1122004143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122004143 is a deficient number, since it is larger than the sum of its proper divisors (699917777).

1122004143 is a wasteful number, since it uses less digits than its factorization.

1122004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1122004143 is about 33496.3302915409. The cubic root of 1122004143 is about 1039.1178858281.

Adding to 1122004143 its reverse (3414002211), we get a palindrome (4536006354).

The spelling of 1122004143 in words is "one billion, one hundred twenty-two million, four thousand, one hundred forty-three".