1061000328 has 128 divisors (see below), whose sum is σ = 2892672000. Its totient is φ = 323051520.

The previous prime is 1061000321. The next prime is 1061000333. The reversal of 1061000328 is 8230001601.

It is a Cunningham number, because it is equal to 32573²-1.

It is a super-2 number, since 2×1061000328² = 2251443392032215168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061000321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214793 + ... + 2215271.

It is an arithmetic number, because the mean of its divisors is an integer number (22599000).

Almost surely, 2^1061000328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061000328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446336000).

1061000328 is an abundant number, since it is smaller than the sum of its proper divisors (1831671672).

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

1061000328 is a wasteful number, since it uses less digits than its factorization.

1061000328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1061000328 is about 32572.9999846499. Note that the first 4 decimals coincide. The cubic root of 1061000328 is about 1019.9334597116.

Adding to 1061000328 its reverse (8230001601), we get a palindrome (9291001929).

The spelling of 1061000328 in words is "one billion, sixty-one million, three hundred twenty-eight", and thus it is an aban number.