1124145140 has 12 divisors (see below), whose sum is σ = 2360704836. Its totient is φ = 449658048.

The previous prime is 1124145133. The next prime is 1124145161. The reversal of 1124145140 is 415414211.

It can be written as a sum of positive squares in 2 ways, for example, as 267060964 + 857084176 = 16342^2 + 29276^2 .

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 3 ways as a sum of consecutive naturals, for example, 28103609 + ... + 28103648.

It is an arithmetic number, because the mean of its divisors is an integer number (196725403).

Almost surely, 2^1124145140 is an apocalyptic number.

1124145140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124145140 is an abundant number, since it is smaller than the sum of its proper divisors (1236559696).

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

1124145140 is a wasteful number, since it uses less digits than its factorization.

1124145140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56207266 (or 56207264 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1124145140 is about 33528.2737402330. The cubic root of 1124145140 is about 1039.7784106303.

Adding to 1124145140 its reverse (415414211), we get a palindrome (1539559351).

The spelling of 1124145140 in words is "one billion, one hundred twenty-four million, one hundred forty-five thousand, one hundred forty".