3120426 has 12 divisors (see below), whose sum is σ = 6760962. Its totient is φ = 1040136.

The previous prime is 3120413. The next prime is 3120437. The reversal of 3120426 is 6240213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 40401 = 1755^2 + 201^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173357 = 3120426 / (3 + 1 + 2 + 0 + 4 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 3120399 and 3120408.

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 5 ways as a sum of consecutive naturals, for example, 86661 + ... + 86696.

Almost surely, 2^3120426 is an apocalyptic number.

3120426 is an abundant number, since it is smaller than the sum of its proper divisors (3640536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120426 is a wasteful number, since it uses less digits than its factorization.

3120426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173365 (or 173362 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3120426 is about 1766.4727566538. The cubic root of 3120426 is about 146.1295216426.

Adding to 3120426 its reverse (6240213), we get a palindrome (9360639).

The spelling of 3120426 in words is "three million, one hundred twenty thousand, four hundred twenty-six".