3012129 has 6 divisors (see below), whose sum is σ = 4350866. Its totient is φ = 2008080.

The previous prime is 3012109. The next prime is 3012131. The reversal of 3012129 is 9212103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2250000 + 762129 = 1500^2 + 873^2 .

It is not a de Polignac number, because 3012129 - 2⁷ = 3012001 is a prime.

It is a super-2 number, since 2×3012129² = 18145842225282, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3012109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167332 + ... + 167349.

Almost surely, 2^3012129 is an apocalyptic number.

It is an amenable number.

3012129 is a deficient number, since it is larger than the sum of its proper divisors (1338737).

3012129 is a wasteful number, since it uses less digits than its factorization.

3012129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334687 (or 334684 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3012129 is about 1735.5486164323. The cubic root of 3012129 is about 144.4190628425.

The spelling of 3012129 in words is "three million, twelve thousand, one hundred twenty-nine".