3120461 has 2 divisors, whose sum is σ = 3120462. Its totient is φ = 3120460.

The previous prime is 3120457. The next prime is 3120463. The reversal of 3120461 is 1640213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 1177225 = 1394^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120461 - 2² = 3120457 is a prime.

Together with 3120463, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560230 + 1560231.

It is an arithmetic number, because the mean of its divisors is an integer number (1560231).

Almost surely, 2^3120461 is an apocalyptic number.

It is an amenable number.

3120461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120461 is an equidigital number, since it uses as much as digits as its factorization.

3120461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3120461 is about 1766.4826633737. The cubic root of 3120461 is about 146.1300679905.

Adding to 3120461 its reverse (1640213), we get a palindrome (4760674).

The spelling of 3120461 in words is "three million, one hundred twenty thousand, four hundred sixty-one".