1000061 has 4 divisors (see below), whose sum is σ = 1012800. Its totient is φ = 987324.

The previous prime is 1000039. The next prime is 1000081. The reversal of 1000061 is 1600001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1600001 = 13 ⋅123077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6251 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (253200).

2^1000061 is an apocalyptic number.

It is an amenable number.

1000061 is a deficient number, since it is larger than the sum of its proper divisors (12739).

1000061 is an equidigital number, since it uses as much as digits as its factorization.

1000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12738.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1000061 is about 1000.0304995349. The cubic root of 1000061 is about 100.0020332920.

Adding to 1000061 its reverse (1600001), we get a palindrome (2600062).

The spelling of 1000061 in words is "one million, sixty-one", and thus it is an aban number and an uban number.