612071121 has 8 divisors (see below), whose sum is σ = 819963424. Its totient is φ = 406113120.

The previous prime is 612071093. The next prime is 612071153. The reversal of 612071121 is 121170216.

It is a happy number.

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

It is not a de Polignac number, because 612071121 - 2⁹ = 612070609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612071171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482836 + ... + 484101.

It is an arithmetic number, because the mean of its divisors is an integer number (102495428).

Almost surely, 2^612071121 is an apocalyptic number.

It is an amenable number.

612071121 is a deficient number, since it is larger than the sum of its proper divisors (207892303).

612071121 is a wasteful number, since it uses less digits than its factorization.

612071121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967151.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 612071121 is about 24740.0711599623. The cubic root of 612071121 is about 849.0513619713.

The spelling of 612071121 in words is "six hundred twelve million, seventy-one thousand, one hundred twenty-one".