612001 has 8 divisors (see below), whose sum is σ = 665280. Its totient is φ = 559632.

The previous prime is 611999. The next prime is 612011. The reversal of 612001 is 100216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612001 - 2¹ = 611999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁶¹²⁰⁰¹ is an apocalyptic number.

It is an amenable number.

612001 is a deficient number, since it is larger than the sum of its proper divisors (53279).

612001 is a wasteful number, since it uses less digits than its factorization.

612001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 612001 is about 782.3049277615. The cubic root of 612001 is about 84.9018937306.

Adding to 612001 its reverse (100216), we get a palindrome (712217).

The spelling of 612001 in words is "six hundred twelve thousand, one".