3120425 has 24 divisors (see below), whose sum is σ = 4827072. Its totient is φ = 1944000.

The previous prime is 3120413. The next prime is 3120437. The reversal of 3120425 is 5240213.

3120425 = T₃₂₈ + T₃₂₉ + ... + T₃₇₇.

It is an interprime number because it is at equal distance from previous prime (3120413) and next prime (3120437).

It is a de Polignac number, because none of the positive numbers 2^k-3120425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1115 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (201128).

Almost surely, 2^3120425 is an apocalyptic number.

3120425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3120425 is a deficient number, since it is larger than the sum of its proper divisors (1706647).

3120425 is a wasteful number, since it uses less digits than its factorization.

3120425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3120425 is about 1766.4724736038. The cubic root of 3120425 is about 146.1295060326.

Adding to 3120425 its reverse (5240213), we get a palindrome (8360638).

The spelling of 3120425 in words is "three million, one hundred twenty thousand, four hundred twenty-five".