6121272 has 16 divisors (see below), whose sum is σ = 15303240. Its totient is φ = 2040416.

The previous prime is 6121261. The next prime is 6121319. The reversal of 6121272 is 2721216.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127503 + ... + 127550.

Almost surely, 2^6121272 is an apocalyptic number.

It is an amenable number.

6121272 is an abundant number, since it is smaller than the sum of its proper divisors (9181968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6121272 is a wasteful number, since it uses less digits than its factorization.

6121272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255062 (or 255058 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 6121272 is about 2474.1204497760. The cubic root of 6121272 is about 182.9281571737.

Adding to 6121272 its reverse (2721216), we get a palindrome (8842488).

It can be divided in two parts, 6 and 121272, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 6121272 in words is "six million, one hundred twenty-one thousand, two hundred seventy-two".