1122125550 has 96 divisors (see below), whose sum is σ = 3425114112. Its totient is φ = 236753280.

The previous prime is 1122125539. The next prime is 1122125551. The reversal of 1122125550 is 555212211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122125550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122125551) 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, 27454 + ... + 54753.

It is an arithmetic number, because the mean of its divisors is an integer number (35678272).

Almost surely, 2^1122125550 is an apocalyptic number.

1122125550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122125550 is an abundant number, since it is smaller than the sum of its proper divisors (2302988562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122125550 is a wasteful number, since it uses less digits than its factorization.

1122125550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82242 (or 82237 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1122125550 is about 33498.1424858155. The cubic root of 1122125550 is about 1039.1553638939.

Adding to 1122125550 its reverse (555212211), we get a palindrome (1677337761).

The spelling of 1122125550 in words is "one billion, one hundred twenty-two million, one hundred twenty-five thousand, five hundred fifty".