1123545050 has 24 divisors (see below), whose sum is σ = 2199784800. Its totient is φ = 425764080.

The previous prime is 1123545041. The next prime is 1123545053. The reversal of 1123545050 is 505453211.

It is not an unprimeable number, because it can be changed into a prime (1123545053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590390 + ... + 592289.

It is an arithmetic number, because the mean of its divisors is an integer number (91657700).

Almost surely, 2^1123545050 is an apocalyptic number.

1123545050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123545050 is a deficient number, since it is larger than the sum of its proper divisors (1076239750).

1123545050 is a wasteful number, since it uses less digits than its factorization.

1123545050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182710 (or 1182705 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1123545050 is about 33519.3235313602. The cubic root of 1123545050 is about 1039.5933598853.

Adding to 1123545050 its reverse (505453211), we get a palindrome (1628998261).

The spelling of 1123545050 in words is "one billion, one hundred twenty-three million, five hundred forty-five thousand, fifty".