6215120 has 20 divisors (see below), whose sum is σ = 14450340. Its totient is φ = 2486016.

The previous prime is 6215101. The next prime is 6215141. The reversal of 6215120 is 215126.

It can be written as a sum of positive squares in 2 ways, for example, as 3297856 + 2917264 = 1816^2 + 1708^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×6215120² = 77255433228800, which contains 22 as substring.

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, 38765 + ... + 38924.

It is an arithmetic number, because the mean of its divisors is an integer number (722517).

Almost surely, 2^6215120 is an apocalyptic number.

It is an amenable number.

6215120 is an abundant number, since it is smaller than the sum of its proper divisors (8235220).

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

6215120 is a wasteful number, since it uses less digits than its factorization.

6215120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77702 (or 77696 counting only the distinct ones).

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

The square root of 6215120 is about 2493.0142398310. The cubic root of 6215120 is about 183.8582714520.

The spelling of 6215120 in words is "six million, two hundred fifteen thousand, one hundred twenty".