6138121 has 16 divisors (see below), whose sum is σ = 7223040. Its totient is φ = 5155920.

The previous prime is 6138113. The next prime is 6138127. The reversal of 6138121 is 1218316.

It is not a de Polignac number, because 6138121 - 2³ = 6138113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6138092 and 6138101.

It is not an unprimeable number, because it can be changed into a prime (6138127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8646 + ... + 9328.

It is an arithmetic number, because the mean of its divisors is an integer number (451440).

Almost surely, 2^6138121 is an apocalyptic number.

It is an amenable number.

6138121 is a deficient number, since it is larger than the sum of its proper divisors (1084919).

6138121 is a wasteful number, since it uses less digits than its factorization.

6138121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its digits is 288, while the sum is 22.

The square root of 6138121 is about 2477.5231583176. The cubic root of 6138121 is about 183.0958419797.

The spelling of 6138121 in words is "six million, one hundred thirty-eight thousand, one hundred twenty-one".