1056109958 has 16 divisors (see below), whose sum is σ = 1611258480. Its totient is φ = 519036000.

The previous prime is 1056109933. The next prime is 1056109963. The reversal of 1056109958 is 8599016501.

It is a super-2 number, since 2×1056109958² = 2230736486773523528, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 283508 + ... + 287208.

It is an arithmetic number, because the mean of its divisors is an integer number (100703655).

Almost surely, 2^1056109958 is an apocalyptic number.

1056109958 is a deficient number, since it is larger than the sum of its proper divisors (555148522).

1056109958 is a wasteful number, since it uses less digits than its factorization.

1056109958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 1056109958 is about 32497.8454362747. The cubic root of 1056109958 is about 1018.3640178391.

The spelling of 1056109958 in words is "one billion, fifty-six million, one hundred nine thousand, nine hundred fifty-eight".