1122002543 has 8 divisors (see below), whose sum is σ = 1126944000. Its totient is φ = 1117071648.

The previous prime is 1122002521. The next prime is 1122002551. The reversal of 1122002543 is 3452002211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122002543 - 2²⁴ = 1105225327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122002503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267698 + ... + 271856.

It is an arithmetic number, because the mean of its divisors is an integer number (140868000).

Almost surely, 2^1122002543 is an apocalyptic number.

1122002543 is a deficient number, since it is larger than the sum of its proper divisors (4941457).

1122002543 is an equidigital number, since it uses as much as digits as its factorization.

1122002543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1122002543 is about 33496.3064083191. The cubic root of 1122002543 is about 1039.1173918937.

Adding to 1122002543 its reverse (3452002211), we get a palindrome (4574004754).

The spelling of 1122002543 in words is "one billion, one hundred twenty-two million, two thousand, five hundred forty-three".