1055006109 has 24 divisors (see below), whose sum is σ = 1578016440. Its totient is φ = 678408192.

The previous prime is 1055006083. The next prime is 1055006177. The reversal of 1055006109 is 9016005501.

1055006109 is a `hidden beast` number, since 1 + 0 + 550 + 0 + 6 + 109 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 57836025 + 997170084 = 7605^2 + 31578^2 .

It is not a de Polignac number, because 1055006109 - 2⁹ = 1055005597 is a prime.

It is a super-2 number, since 2×1055006109² = 2226075780054639762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055006189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498237 + ... + 500349.

It is an arithmetic number, because the mean of its divisors is an integer number (65750685).

Almost surely, 2^1055006109 is an apocalyptic number.

It is an amenable number.

1055006109 is a deficient number, since it is larger than the sum of its proper divisors (523010331).

1055006109 is a wasteful number, since it uses less digits than its factorization.

1055006109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1055006109 is about 32480.8575779643. The cubic root of 1055006109 is about 1018.0090952081.

The spelling of 1055006109 in words is "one billion, fifty-five million, six thousand, one hundred nine".