1123320150 has 60 divisors (see below), whose sum is σ = 3121177092. Its totient is φ = 299550960.

The previous prime is 1123320137. The next prime is 1123320151. The reversal of 1123320150 is 510233211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123320151) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 134632 + ... + 142731.

Almost surely, 2^1123320150 is an apocalyptic number.

1123320150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123320150 is an abundant number, since it is smaller than the sum of its proper divisors (1997856942).

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

1123320150 is a wasteful number, since it uses less digits than its factorization.

1123320150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277387 (or 277373 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1123320150 is about 33515.9685821550. The cubic root of 1123320150 is about 1039.5239901262.

Adding to 1123320150 its reverse (510233211), we get a palindrome (1633553361).

The spelling of 1123320150 in words is "one billion, one hundred twenty-three million, three hundred twenty thousand, one hundred fifty".