3121066 has 8 divisors (see below), whose sum is σ = 5041764. Its totient is φ = 1440480.

The previous prime is 3121057. The next prime is 3121087. The reversal of 3121066 is 6601213.

It can be written as a sum of positive squares in 2 ways, for example, as 2337841 + 783225 = 1529^2 + 885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59995 + ... + 60046.

Almost surely, 2^3121066 is an apocalyptic number.

3121066 is a deficient number, since it is larger than the sum of its proper divisors (1920698).

3121066 is a wasteful number, since it uses less digits than its factorization.

3121066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120056.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3121066 is about 1766.6538993249. The cubic root of 3121066 is about 146.1395113578.

Adding to 3121066 its reverse (6601213), we get a palindrome (9722279).

It can be divided in two parts, 312 and 1066, that added together give a triangular number (1378 = T₅₂).

The spelling of 3121066 in words is "three million, one hundred twenty-one thousand, sixty-six".