3154121 has 4 divisors (see below), whose sum is σ = 3167892. Its totient is φ = 3140352.

The previous prime is 3154103. The next prime is 3154141. The reversal of 3154121 is 1214513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214513 = 163 ⋅7451.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 1092025 = 1436^2 + 1045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3154121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3154121.

It is not an unprimeable number, because it can be changed into a prime (3154141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6536 + ... + 7001.

It is an arithmetic number, because the mean of its divisors is an integer number (791973).

Almost surely, 2^3154121 is an apocalyptic number.

It is an amenable number.

3154121 is a deficient number, since it is larger than the sum of its proper divisors (13771).

3154121 is a wasteful number, since it uses less digits than its factorization.

3154121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13770.

The product of its digits is 120, while the sum is 17.

The square root of 3154121 is about 1775.9845156983. The cubic root of 3154121 is about 146.6536185591.

Adding to 3154121 its reverse (1214513), we get a palindrome (4368634).

The spelling of 3154121 in words is "three million, one hundred fifty-four thousand, one hundred twenty-one".