1061128836 has 30 divisors (see below), whose sum is σ = 2774001230. Its totient is φ = 353709504.

The previous prime is 1061128829. The next prime is 1061128841. The reversal of 1061128836 is 6388211601.

1061128836 is a `hidden beast` number, since 1 + 0 + 611 + 2 + 8 + 8 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 864007236 + 197121600 = 29394^2 + 14040^2 .

It is a super-2 number, since 2×1061128836² = 2251988813181429792, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1061128836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1637221 + ... + 1637868.

Almost surely, 2^1061128836 is an apocalyptic number.

It is an amenable number.

1061128836 is an abundant number, since it is smaller than the sum of its proper divisors (1712872394).

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

1061128836 is a wasteful number, since it uses less digits than its factorization.

1061128836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275105 (or 3275094 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1061128836 is about 32574.9725402801. The cubic root of 1061128836 is about 1019.9746360475.

The spelling of 1061128836 in words is "one billion, sixty-one million, one hundred twenty-eight thousand, eight hundred thirty-six".