1016001 has 12 divisors (see below), whose sum is σ = 1677312. Its totient is φ = 580536.

The previous prime is 1015991. The next prime is 1016009. The reversal of 1016001 is 1006101.

It is not a de Polignac number, because 1016001 - 2¹⁵ = 983233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8001 + ... + 8126.

It is an arithmetic number, because the mean of its divisors is an integer number (139776).

2^1016001 is an apocalyptic number.

It is an amenable number.

1016001 is a deficient number, since it is larger than the sum of its proper divisors (661311).

1016001 is a wasteful number, since it uses less digits than its factorization.

1016001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16140 (or 16137 counting only the distinct ones).

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

The square root of 1016001 is about 1007.9687495156. The cubic root of 1016001 is about 100.5305468887.

The spelling of 1016001 in words is "one million, sixteen thousand, one".