1056919105 has 16 divisors (see below), whose sum is σ = 1384416000. Its totient is φ = 768216960.

The previous prime is 1056919103. The next prime is 1056919111. The reversal of 1056919105 is 5019196501.

It is not a de Polignac number, because 1056919105 - 2¹ = 1056919103 is a prime.

It is a super-2 number, since 2×1056919105² = 2234155989028002050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056919103) 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 15 ways as a sum of consecutive naturals, for example, 110296 + ... + 119494.

It is an arithmetic number, because the mean of its divisors is an integer number (86526000).

Almost surely, 2^1056919105 is an apocalyptic number.

It is an amenable number.

1056919105 is a deficient number, since it is larger than the sum of its proper divisors (327496895).

1056919105 is a wasteful number, since it uses less digits than its factorization.

1056919105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304.

The product of its (nonzero) digits is 12150, while the sum is 37.

The square root of 1056919105 is about 32510.2922933646. The cubic root of 1056919105 is about 1018.6240273307.

It can be divided in two parts, 10 and 56919105, that added together give a triangular number (56919115 = T₁₀₆₆₉).

The spelling of 1056919105 in words is "one billion, fifty-six million, nine hundred nineteen thousand, one hundred five".