6121143 has 32 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 3457728.

The previous prime is 6121121. The next prime is 6121201. The reversal of 6121143 is 3411216.

It is a happy number.

6121143 is a `hidden beast` number, since 612 + 11 + 43 = 666.

It is not a de Polignac number, because 6121143 - 2⁸ = 6120887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26155 + ... + 26387.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^6121143 is an apocalyptic number.

6121143 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6121143 is a deficient number, since it is larger than the sum of its proper divisors (4362057).

6121143 is a wasteful number, since it uses less digits than its factorization.

6121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 6121143 is about 2474.0943797681. The cubic root of 6121143 is about 182.9268721522.

Adding to 6121143 its reverse (3411216), we get a palindrome (9532359).

The spelling of 6121143 in words is "six million, one hundred twenty-one thousand, one hundred forty-three".