1124344545 has 16 divisors (see below), whose sum is σ = 1799384640. Its totient is φ = 599505984.

The previous prime is 1124344537. The next prime is 1124344547. The reversal of 1124344545 is 5454434211.

It is a happy number.

It is not a de Polignac number, because 1124344545 - 2³ = 1124344537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1124344547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91242 + ... + 102828.

It is an arithmetic number, because the mean of its divisors is an integer number (112461540).

Almost surely, 2^1124344545 is an apocalyptic number.

1124344545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1124344545 is a deficient number, since it is larger than the sum of its proper divisors (675040095).

1124344545 is a wasteful number, since it uses less digits than its factorization.

1124344545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18064.

The product of its digits is 38400, while the sum is 33.

The square root of 1124344545 is about 33531.2472926374. The cubic root of 1124344545 is about 1039.8398869019.

Adding to 1124344545 its reverse (5454434211), we get a palindrome (6578778756).

The spelling of 1124344545 in words is "one billion, one hundred twenty-four million, three hundred forty-four thousand, five hundred forty-five".