1061855628 has 24 divisors (see below), whose sum is σ = 2585388288. Its totient is φ = 338562576.

The previous prime is 1061855621. The next prime is 1061855629. The reversal of 1061855628 is 8265581601.

1061855628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061855628² = 2255074749430548768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061855628.

It is not an unprimeable number, because it can be changed into a prime (1061855621) 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, 1923376 + ... + 1923927.

It is an arithmetic number, because the mean of its divisors is an integer number (107724512).

Almost surely, 2^1061855628 is an apocalyptic number.

It is an amenable number.

1061855628 is an abundant number, since it is smaller than the sum of its proper divisors (1523532660).

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

1061855628 is a wasteful number, since it uses less digits than its factorization.

1061855628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847333 (or 3847331 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 1061855628 is about 32586.1263116683. The cubic root of 1061855628 is about 1020.2074510769.

The spelling of 1061855628 in words is "one billion, sixty-one million, eight hundred fifty-five thousand, six hundred twenty-eight".