1150728285 has 32 divisors (see below), whose sum is σ = 2108881152. Its totient is φ = 524874240.

The previous prime is 1150728253. The next prime is 1150728347. The reversal of 1150728285 is 5828270511.

It is not a de Polignac number, because 1150728285 - 2⁵ = 1150728253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35995 + ... + 59975.

It is an arithmetic number, because the mean of its divisors is an integer number (65902536).

Almost surely, 2^1150728285 is an apocalyptic number.

1150728285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150728285 is a deficient number, since it is larger than the sum of its proper divisors (958152867).

1150728285 is a wasteful number, since it uses less digits than its factorization.

1150728285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24453.

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 1150728285 is about 33922.3861926015. The cubic root of 1150728285 is about 1047.9106707288.

Adding to 1150728285 its reverse (5828270511), we get a palindrome (6978998796).

The spelling of 1150728285 in words is "one billion, one hundred fifty million, seven hundred twenty-eight thousand, two hundred eighty-five".