1124545440 has 192 divisors, whose sum is σ = 3797611776. Its totient is φ = 278986752.

The previous prime is 1124545439. The next prime is 1124545459. The reversal of 1124545440 is 445454211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1124545398 and 1124545407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407104 + ... + 409856.

It is an arithmetic number, because the mean of its divisors is an integer number (19779228).

Almost surely, 2^1124545440 is an apocalyptic number.

1124545440 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 1124545440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898805888).

1124545440 is an abundant number, since it is smaller than the sum of its proper divisors (2673066336).

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

1124545440 is a wasteful number, since it uses less digits than its factorization.

1124545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1124545440 is about 33534.2427974749. The cubic root of 1124545440 is about 1039.9018151884.

Adding to 1124545440 its reverse (445454211), we get a palindrome (1569999651).

The spelling of 1124545440 in words is "one billion, one hundred twenty-four million, five hundred forty-five thousand, four hundred forty".