1122003520225 has 36 divisors (see below), whose sum is σ = 1619720550000. Its totient is φ = 768761686560.

The previous prime is 1122003520129. The next prime is 1122003520243. The reversal of 1122003520225 is 5220253002211.

It is not a de Polignac number, because 1122003520225 - 2¹⁹ = 1122002995937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1122003520225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1178526 + ... + 1906024.

It is an arithmetic number, because the mean of its divisors is an integer number (44992237500).

Almost surely, 2^{1122003520225} is an apocalyptic number.

It is an amenable number.

1122003520225 is a deficient number, since it is larger than the sum of its proper divisors (497717029775).

1122003520225 is a wasteful number, since it uses less digits than its factorization.

1122003520225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728782 (or 728770 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1122003520225 its reverse (5220253002211), we get a palindrome (6342256522436).

The spelling of 1122003520225 in words is "one trillion, one hundred twenty-two billion, three million, five hundred twenty thousand, two hundred twenty-five".