3121074 has 36 divisors (see below), whose sum is σ = 7438158. Its totient is φ = 945120.

The previous prime is 3121057. The next prime is 3121087. The reversal of 3121074 is 4701213.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 915849 = 1485^2 + 957^2 .

It is a super-2 number, since 2×3121074² = 19482205826952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1462 + ... + 2894.

Almost surely, 2^3121074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3719079).

3121074 is an abundant number, since it is smaller than the sum of its proper divisors (4317084).

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

3121074 is a wasteful number, since it uses less digits than its factorization.

3121074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 3121074 is about 1766.6561634908. The cubic root of 3121074 is about 146.1396362206.

Adding to 3121074 its reverse (4701213), we get a palindrome (7822287).

The spelling of 3121074 in words is "three million, one hundred twenty-one thousand, seventy-four".