3120257 has 8 divisors (see below), whose sum is σ = 3619776. Its totient is φ = 2634192.

The previous prime is 3120253. The next prime is 3120277. The reversal of 3120257 is 7520213.

3120257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3120257 - 2² = 3120253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (452472).

Almost surely, 2^3120257 is an apocalyptic number.

It is an amenable number.

3120257 is a deficient number, since it is larger than the sum of its proper divisors (499519).

3120257 is an equidigital number, since it uses as much as digits as its factorization.

3120257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3120257 is about 1766.4249205670. The cubic root of 3120257 is about 146.1268835055.

The spelling of 3120257 in words is "three million, one hundred twenty thousand, two hundred fifty-seven".