1124145440 has 48 divisors (see below), whose sum is σ = 2897233920. Its totient is φ = 408779520.

The previous prime is 1124145439. The next prime is 1124145481. The reversal of 1124145440 is 445414211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317600 + ... + 321119.

It is an arithmetic number, because the mean of its divisors is an integer number (60359040).

Almost surely, 2^1124145440 is an apocalyptic number.

1124145440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124145440 is an abundant number, since it is smaller than the sum of its proper divisors (1773088480).

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

1124145440 is a wasteful number, since it uses less digits than its factorization.

1124145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638745 (or 638737 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1124145440 is about 33528.2782140688. The cubic root of 1124145440 is about 1039.7785031253.

Adding to 1124145440 its reverse (445414211), we get a palindrome (1569559651).

The spelling of 1124145440 in words is "one billion, one hundred twenty-four million, one hundred forty-five thousand, four hundred forty".