3121424 has 10 divisors (see below), whose sum is σ = 6047790. Its totient is φ = 1560704.

The previous prime is 3121423. The next prime is 3121427. The reversal of 3121424 is 4241213.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 774400 = 1532^2 + 880^2 .

It is not an unprimeable number, because it can be changed into a prime (3121423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97529 + ... + 97560.

It is an arithmetic number, because the mean of its divisors is an integer number (604779).

Almost surely, 2^3121424 is an apocalyptic number.

It is an amenable number.

3121424 is a deficient number, since it is larger than the sum of its proper divisors (2926366).

3121424 is a wasteful number, since it uses less digits than its factorization.

3121424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195097 (or 195091 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 3121424 is about 1766.7552179065. The cubic root of 3121424 is about 146.1450987591.

Adding to 3121424 its reverse (4241213), we get a palindrome (7362637).

The spelling of 3121424 in words is "three million, one hundred twenty-one thousand, four hundred twenty-four".