1059999960 has 64 divisors (see below), whose sum is σ = 3190337280. Its totient is φ = 281747840.

The previous prime is 1059999943. The next prime is 1059999971. The reversal of 1059999960 is 699999501.

It is a super-2 number, since 2×1059999960² = 2247199830400003200, 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 1059999960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23119 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (49849020).

Almost surely, 2^1059999960 is an apocalyptic number.

1059999960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1059999960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595168640).

1059999960 is an abundant number, since it is smaller than the sum of its proper divisors (2130337320).

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

1059999960 is a wasteful number, since it uses less digits than its factorization.

1059999960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728 (or 28724 counting only the distinct ones).

The product of its (nonzero) digits is 1771470, while the sum is 57.

The square root of 1059999960 is about 32557.6405779043. The cubic root of 1059999960 is about 1019.6128095969.

The spelling of 1059999960 in words is "one billion, fifty-nine million, nine hundred ninety-nine thousand, nine hundred sixty".