1066105203 has 16 divisors (see below), whose sum is σ = 1447815936. Its totient is φ = 697675680.

The previous prime is 1066105199. The next prime is 1066105211. The reversal of 1066105203 is 3025016601.

It is not a de Polignac number, because 1066105203 - 2² = 1066105199 is a prime.

It is a super-2 number, since 2×1066105203² = 2273160607727342418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066105303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25458 + ... + 52728.

It is an arithmetic number, because the mean of its divisors is an integer number (90488496).

Almost surely, 2^1066105203 is an apocalyptic number.

1066105203 is a deficient number, since it is larger than the sum of its proper divisors (381710733).

1066105203 is a wasteful number, since it uses less digits than its factorization.

1066105203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27514.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1066105203 is about 32651.2664838594. The cubic root of 1066105203 is about 1021.5666055176.

The spelling of 1066105203 in words is "one billion, sixty-six million, one hundred five thousand, two hundred three".