1122250520 has 32 divisors (see below), whose sum is σ = 2526426720. Its totient is φ = 448657920.

The previous prime is 1122250513. The next prime is 1122250531. The reversal of 1122250520 is 250522211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1122250492 and 1122250501.

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 7 ways as a sum of consecutive naturals, for example, 79949 + ... + 92931.

It is an arithmetic number, because the mean of its divisors is an integer number (78950835).

Almost surely, 2^1122250520 is an apocalyptic number.

1122250520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122250520 is an abundant number, since it is smaller than the sum of its proper divisors (1404176200).

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

1122250520 is a wasteful number, since it uses less digits than its factorization.

1122250520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155 (or 15151 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1122250520 is about 33500.0077611931. The cubic root of 1122250520 is about 1039.1939390264.

Adding to 1122250520 its reverse (250522211), we get a palindrome (1372772731).

The spelling of 1122250520 in words is "one billion, one hundred twenty-two million, two hundred fifty thousand, five hundred twenty".