1128305744 has 40 divisors (see below), whose sum is σ = 2214715392. Its totient is φ = 556803200.

The previous prime is 1128305743. The next prime is 1128305797. The reversal of 1128305744 is 4475038211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128305743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618017 + ... + 619839.

Almost surely, 2^1128305744 is an apocalyptic number.

It is an amenable number.

1128305744 is a deficient number, since it is larger than the sum of its proper divisors (1086409648).

1128305744 is a wasteful number, since it uses less digits than its factorization.

1128305744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1128305744 is about 33590.2626366630. The cubic root of 1128305744 is about 1041.0596152991.

The spelling of 1128305744 in words is "one billion, one hundred twenty-eight million, three hundred five thousand, seven hundred forty-four".