1122521125 has 32 divisors (see below), whose sum is σ = 1581016320. Its totient is φ = 788200000.

The previous prime is 1122521111. The next prime is 1122521137. The reversal of 1122521125 is 5211252211.

It is a happy number.

It is not a de Polignac number, because 1122521125 - 2¹¹ = 1122519077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122521096 and 1122521105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25800 + ... + 53950.

It is an arithmetic number, because the mean of its divisors is an integer number (49406760).

Almost surely, 2^1122521125 is an apocalyptic number.

It is an amenable number.

1122521125 is a deficient number, since it is larger than the sum of its proper divisors (458495195).

1122521125 is a wasteful number, since it uses less digits than its factorization.

1122521125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28206 (or 28196 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 1122521125 is about 33504.0463974130. The cubic root of 1122521125 is about 1039.2774582500.

Adding to 1122521125 its reverse (5211252211), we get a palindrome (6333773336).

The spelling of 1122521125 in words is "one billion, one hundred twenty-two million, five hundred twenty-one thousand, one hundred twenty-five".