1800970105 has 32 divisors (see below), whose sum is σ = 2397403008. Its totient is φ = 1287859200.

The previous prime is 1800970097. The next prime is 1800970121. The reversal of 1800970105 is 5010790081.

It is not a de Polignac number, because 1800970105 - 2³ = 1800970097 is a prime.

It is a super-2 number, since 2×1800970105² = 6486986638207422050, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1099347 + ... + 1100983.

It is an arithmetic number, because the mean of its divisors is an integer number (74918844).

Almost surely, 2^1800970105 is an apocalyptic number.

It is an amenable number.

1800970105 is a deficient number, since it is larger than the sum of its proper divisors (596432903).

1800970105 is a wasteful number, since it uses less digits than its factorization.

1800970105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1800970105 is about 42437.8381282553. The cubic root of 1800970105 is about 1216.6588922587.

The spelling of 1800970105 in words is "one billion, eight hundred million, nine hundred seventy thousand, one hundred five".