3142121 has 8 divisors (see below), whose sum is σ = 3286920. Its totient is φ = 2999808.

The previous prime is 3142079. The next prime is 3142123. The reversal of 3142121 is 1212413.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 3115225 = 164^2 + 1765^2 .

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 3142121 - 2¹⁰ = 3141097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3142096 and 3142105.

It is not an unprimeable number, because it can be changed into a prime (3142123) 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, 2255 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (410865).

Almost surely, 2^3142121 is an apocalyptic number.

It is an amenable number.

3142121 is a deficient number, since it is larger than the sum of its proper divisors (144799).

3142121 is a wasteful number, since it uses less digits than its factorization.

3142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 48, while the sum is 14.

The square root of 3142121 is about 1772.6028884101. The cubic root of 3142121 is about 146.4673986948.

Adding to 3142121 its reverse (1212413), we get a palindrome (4354534).

The spelling of 3142121 in words is "three million, one hundred forty-two thousand, one hundred twenty-one".