3012139 has 8 divisors (see below), whose sum is σ = 3259872. Its totient is φ = 2766720.

The previous prime is 3012137. The next prime is 3012161. The reversal of 3012139 is 9312103.

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

It is a cyclic number.

It is not a de Polignac number, because 3012139 - 2¹ = 3012137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (407484).

Almost surely, 2^3012139 is an apocalyptic number.

3012139 is a deficient number, since it is larger than the sum of its proper divisors (247733).

3012139 is a wasteful number, since it uses less digits than its factorization.

3012139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3012139 is about 1735.5514973633. The cubic root of 3012139 is about 144.4192226617.

The spelling of 3012139 in words is "three million, twelve thousand, one hundred thirty-nine".