1128726052 has 24 divisors (see below), whose sum is σ = 2044740600. Its totient is φ = 544540416.

The previous prime is 1128726043. The next prime is 1128726059. The reversal of 1128726052 is 2506278211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1378276 + 1127347776 = 1174^2 + 33576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1128725999 and 1128726017.

It is not an unprimeable number, because it can be changed into a prime (1128726059) 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, 275088 + ... + 279160.

It is an arithmetic number, because the mean of its divisors is an integer number (85197525).

Almost surely, 2^1128726052 is an apocalyptic number.

It is an amenable number.

1128726052 is a deficient number, since it is larger than the sum of its proper divisors (916014548).

1128726052 is a wasteful number, since it uses less digits than its factorization.

1128726052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495 (or 6493 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1128726052 is about 33596.5184505776. The cubic root of 1128726052 is about 1041.1888684929.

The spelling of 1128726052 in words is "one billion, one hundred twenty-eight million, seven hundred twenty-six thousand, fifty-two".