1124029728 has 36 divisors (see below), whose sum is σ = 3196460358. Its totient is φ = 374676480.

The previous prime is 1124029727. The next prime is 1124029733. The reversal of 1124029728 is 8279204211.

It can be written as a sum of positive squares in only one way, i.e., 1081883664 + 42146064 = 32892^2 + 6492^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1124029692 and 1124029701.

It is not an unprimeable number, because it can be changed into a prime (1124029727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1951153 + ... + 1951728.

Almost surely, 2^1124029728 is an apocalyptic number.

1124029728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1124029728 is an abundant number, since it is smaller than the sum of its proper divisors (2072430630).

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

1124029728 is a wasteful number, since it uses less digits than its factorization.

1124029728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902897 (or 3902886 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1124029728 is about 33526.5525814987. The cubic root of 1124029728 is about 1039.7428259569.

The spelling of 1124029728 in words is "one billion, one hundred twenty-four million, twenty-nine thousand, seven hundred twenty-eight".