6151121 has 4 divisors (see below), whose sum is σ = 6156132. Its totient is φ = 6146112.

The previous prime is 6151091. The next prime is 6151129. The reversal of 6151121 is 1211516.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 4080400 = 1439^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151121 - 2¹⁰ = 6150097 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 6151121.

It is not an unprimeable number, because it can be changed into a prime (6151129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (1539033).

Almost surely, 2^6151121 is an apocalyptic number.

It is an amenable number.

6151121 is a deficient number, since it is larger than the sum of its proper divisors (5011).

6151121 is a wasteful number, since it uses less digits than its factorization.

6151121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010.

The product of its digits is 60, while the sum is 17.

The square root of 6151121 is about 2480.1453586433. The cubic root of 6151121 is about 183.2250111254.

Adding to 6151121 its reverse (1211516), we get a palindrome (7362637).

The spelling of 6151121 in words is "six million, one hundred fifty-one thousand, one hundred twenty-one".