3135021 has 8 divisors (see below), whose sum is σ = 4425984. Its totient is φ = 1967040.

The previous prime is 3135017. The next prime is 3135023. The reversal of 3135021 is 1205313.

It is a happy number.

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

It is not a de Polignac number, because 3135021 - 2² = 3135017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135023) 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, 30685 + ... + 30786.

It is an arithmetic number, because the mean of its divisors is an integer number (553248).

Almost surely, 2^3135021 is an apocalyptic number.

It is an amenable number.

3135021 is a deficient number, since it is larger than the sum of its proper divisors (1290963).

3135021 is a wasteful number, since it uses less digits than its factorization.

3135021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61491.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3135021 is about 1770.5990511688. The cubic root of 3135021 is about 146.3569952668.

The spelling of 3135021 in words is "three million, one hundred thirty-five thousand, twenty-one".