6279121 has 4 divisors (see below), whose sum is σ = 6325092. Its totient is φ = 6233152.

The previous prime is 6279107. The next prime is 6279127. The reversal of 6279121 is 1219726.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3845521 + 2433600 = 1961^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 6279121 - 2⁵ = 6279089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6279121.

It is not an unprimeable number, because it can be changed into a prime (6279127) 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, 22780 + ... + 23053.

It is an arithmetic number, because the mean of its divisors is an integer number (1581273).

Almost surely, 2^6279121 is an apocalyptic number.

It is an amenable number.

6279121 is a deficient number, since it is larger than the sum of its proper divisors (45971).

6279121 is a wasteful number, since it uses less digits than its factorization.

6279121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45970.

The product of its digits is 1512, while the sum is 28.

The square root of 6279121 is about 2505.8174314982. The cubic root of 6279121 is about 184.4872189010.

It can be divided in two parts, 6279 and 121, that added together give a square (6400 = 80²).

The spelling of 6279121 in words is "six million, two hundred seventy-nine thousand, one hundred twenty-one".