3120872011 has 8 divisors (see below), whose sum is σ = 3163769280. Its totient is φ = 3078059712.

The previous prime is 3120872009. The next prime is 3120872059. The reversal of 3120872011 is 1102780213.

It is a happy number.

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 3120872011 - 2¹ = 3120872009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120872311) 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, 54561 + ... + 96013.

It is an arithmetic number, because the mean of its divisors is an integer number (395471160).

Almost surely, 2^3120872011 is an apocalyptic number.

3120872011 is a deficient number, since it is larger than the sum of its proper divisors (42897269).

3120872011 is an equidigital number, since it uses as much as digits as its factorization.

3120872011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42485.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 3120872011 is about 55864.7653803361. The cubic root of 3120872011 is about 1461.3648354132.

The spelling of 3120872011 in words is "three billion, one hundred twenty million, eight hundred seventy-two thousand, eleven".