1006011 has 6 divisors (see below), whose sum is σ = 1453140. Its totient is φ = 670668.

The previous prime is 1006007. The next prime is 1006021. The reversal of 1006011 is 1106001.

It is not a de Polignac number, because 1006011 - 2² = 1006007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 111779 = 1006011 / (1 + 0 + 0 + 6 + 0 + 1 + 1).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1005984 and 1006002.

It is not an unprimeable number, because it can be changed into a prime (1006021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55881 + ... + 55898.

It is an arithmetic number, because the mean of its divisors is an integer number (242190).

2^1006011 is an apocalyptic number.

1006011 is a deficient number, since it is larger than the sum of its proper divisors (447129).

1006011 is a wasteful number, since it uses less digits than its factorization.

1006011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111785 (or 111782 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1006011 is about 1003.0009970085. Note that the first 3 decimals coincide. The cubic root of 1006011 is about 100.1999665340.

The spelling of 1006011 in words is "one million, six thousand, eleven".