1122543250 has 32 divisors (see below), whose sum is σ = 2104889904. Its totient is φ = 448272000.

The previous prime is 1122543239. The next prime is 1122543271. The reversal of 1122543250 is 523452211.

It can be written as a sum of positive squares in 8 ways, for example, as 13053769 + 1109489481 = 3613^2 + 33309^2 .

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

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 15 ways as a sum of consecutive naturals, for example, 161854 + ... + 168646.

Almost surely, 2^1122543250 is an apocalyptic number.

1122543250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122543250 is a deficient number, since it is larger than the sum of its proper divisors (982346654).

1122543250 is an equidigital number, since it uses as much as digits as its factorization.

1122543250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471 (or 7461 counting only the distinct ones).

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

The square root of 1122543250 is about 33504.3765797843. The cubic root of 1122543250 is about 1039.2842862915.

Adding to 1122543250 its reverse (523452211), we get a palindrome (1645995461).

The spelling of 1122543250 in words is "one billion, one hundred twenty-two million, five hundred forty-three thousand, two hundred fifty".