1055676109 has 2 divisors, whose sum is σ = 1055676110. Its totient is φ = 1055676108.

The previous prime is 1055676079. The next prime is 1055676121. The reversal of 1055676109 is 9016765501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054820484 + 855625 = 32478^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055676109 - 2⁷ = 1055675981 is a prime.

It is a super-2 number, since 2×1055676109² = 2228904094226759762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055676199) 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 as a sum of consecutive naturals, namely, 527838054 + 527838055.

It is an arithmetic number, because the mean of its divisors is an integer number (527838055).

Almost surely, 2^1055676109 is an apocalyptic number.

It is an amenable number.

1055676109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055676109 is an equidigital number, since it uses as much as digits as its factorization.

1055676109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 1055676109 is about 32491.1697080915. The cubic root of 1055676109 is about 1018.2245510723.

The spelling of 1055676109 in words is "one billion, fifty-five million, six hundred seventy-six thousand, one hundred nine".