1056055100 has 18 divisors (see below), whose sum is σ = 2291639784. Its totient is φ = 422422000.

The previous prime is 1056055067. The next prime is 1056055109. The reversal of 1056055100 is 15506501.

It is a super-3 number, since 3×1056055100³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056055109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5280176 + ... + 5280375.

Almost surely, 2^1056055100 is an apocalyptic number.

1056055100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056055100 is an abundant number, since it is smaller than the sum of its proper divisors (1235584684).

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

1056055100 is a wasteful number, since it uses less digits than its factorization.

1056055100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560565 (or 10560558 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1056055100 is about 32497.0014001292. The cubic root of 1056055100 is about 1018.3463850853.

The spelling of 1056055100 in words is "one billion, fifty-six million, fifty-five thousand, one hundred".