1124545240 has 192 divisors, whose sum is σ = 3311179200. Its totient is φ = 334651392.

The previous prime is 1124545207. The next prime is 1124545297. The reversal of 1124545240 is 425454211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1124545199 and 1124545208.

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 47 ways as a sum of consecutive naturals, for example, 1051426 + ... + 1052494.

It is an arithmetic number, because the mean of its divisors is an integer number (17245725).

Almost surely, 2^1124545240 is an apocalyptic number.

1124545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124545240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655589600).

1124545240 is an abundant number, since it is smaller than the sum of its proper divisors (2186633960).

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

1124545240 is a wasteful number, since it uses less digits than its factorization.

1124545240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1124545240 is about 33534.2398154483. The cubic root of 1124545240 is about 1039.9017535397.

Adding to 1124545240 its reverse (425454211), we get a palindrome (1549999451).

The spelling of 1124545240 in words is "one billion, one hundred twenty-four million, five hundred forty-five thousand, two hundred forty".