6121687 has 24 divisors (see below), whose sum is σ = 7510320. Its totient is φ = 4942080.

The previous prime is 6121681. The next prime is 6121721. The reversal of 6121687 is 7861216.

It is not a de Polignac number, because 6121687 - 2³ = 6121679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68739 + ... + 68827.

It is an arithmetic number, because the mean of its divisors is an integer number (312930).

Almost surely, 2^6121687 is an apocalyptic number.

6121687 is a deficient number, since it is larger than the sum of its proper divisors (1388633).

6121687 is a wasteful number, since it uses less digits than its factorization.

6121687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 150 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 6121687 is about 2474.2043165430. The cubic root of 6121687 is about 182.9322910350.

The spelling of 6121687 in words is "six million, one hundred twenty-one thousand, six hundred eighty-seven".