1058861056 has 104 divisors (see below), whose sum is σ = 2349571968. Its totient is φ = 473088000.

The previous prime is 1058861053. The next prime is 1058861057. The reversal of 1058861056 is 6501688501.

It is a super-2 number, since 2×1058861056² = 2242373471826870272, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058861053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198811 + ... + 3199141.

Almost surely, 2^1058861056 is an apocalyptic number.

1058861056 is a gapful number since it is divisible by the number (16) 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 1058861056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174785984).

1058861056 is an abundant number, since it is smaller than the sum of its proper divisors (1290710912).

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

1058861056 is an equidigital number, since it uses as much as digits as its factorization.

1058861056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 1058861056 is about 32540.1452977703. The cubic root of 1058861056 is about 1019.2475085613.

The spelling of 1058861056 in words is "one billion, fifty-eight million, eight hundred sixty-one thousand, fifty-six".