1122143525 has 12 divisors (see below), whose sum is σ = 1401472800. Its totient is φ = 891253680.

The previous prime is 1122143513. The next prime is 1122143543. The reversal of 1122143525 is 5253412211.

It is not a de Polignac number, because 1122143525 - 2¹⁴ = 1122127141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122143494 and 1122143503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157985 + ... + 164934.

It is an arithmetic number, because the mean of its divisors is an integer number (116789400).

Almost surely, 2^1122143525 is an apocalyptic number.

It is an amenable number.

1122143525 is a deficient number, since it is larger than the sum of its proper divisors (279329275).

1122143525 is a wasteful number, since it uses less digits than its factorization.

1122143525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323068 (or 323063 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1122143525 is about 33498.4107831999. The cubic root of 1122143525 is about 1039.1609125059.

Adding to 1122143525 its reverse (5253412211), we get a palindrome (6375555736).

The spelling of 1122143525 in words is "one billion, one hundred twenty-two million, one hundred forty-three thousand, five hundred twenty-five".