6121287 has 12 divisors (see below), whose sum is σ = 9307480. Its totient is φ = 3865968.

The previous prime is 6121261. The next prime is 6121319. The reversal of 6121287 is 7821216.

It is not a de Polignac number, because 6121287 - 2⁶ = 6121223 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 6121287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17728 + ... + 18069.

Almost surely, 2^6121287 is an apocalyptic number.

6121287 is a deficient number, since it is larger than the sum of its proper divisors (3186193).

6121287 is a wasteful number, since it uses less digits than its factorization.

6121287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35822 (or 35819 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 6121287 is about 2474.1234811545. The cubic root of 6121287 is about 182.9283065936.

The spelling of 6121287 in words is "six million, one hundred twenty-one thousand, two hundred eighty-seven".