3120145 has 16 divisors (see below), whose sum is σ = 4308480. Its totient is φ = 2124864.

The previous prime is 3120137. The next prime is 3120217. The reversal of 3120145 is 5410213.

3120145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3120145 - 2³ = 3120137 is a prime.

3120145 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8179 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (269280).

Almost surely, 2^3120145 is an apocalyptic number.

3120145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3120145 is a deficient number, since it is larger than the sum of its proper divisors (1188335).

3120145 is a wasteful number, since it uses less digits than its factorization.

3120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3120145 is about 1766.3932178312. The cubic root of 3120145 is about 146.1251351018.

Adding to 3120145 its reverse (5410213), we get a palindrome (8530358).

The spelling of 3120145 in words is "three million, one hundred twenty thousand, one hundred forty-five".