6139123 has 2 divisors, whose sum is σ = 6139124. Its totient is φ = 6139122.

The previous prime is 6139121. The next prime is 6139139. The reversal of 6139123 is 3219316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6139123 - 2¹ = 6139121 is a prime.

Together with 6139121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6139121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069561 + 3069562.

It is an arithmetic number, because the mean of its divisors is an integer number (3069562).

Almost surely, 2^6139123 is an apocalyptic number.

6139123 is a deficient number, since it is larger than the sum of its proper divisors (1).

6139123 is an equidigital number, since it uses as much as digits as its factorization.

6139123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

The square root of 6139123 is about 2477.7253681552. The cubic root of 6139123 is about 183.1058044233.

It can be divided in two parts, 6 and 139123, that added together give a square (139129 = 373²).

The spelling of 6139123 in words is "six million, one hundred thirty-nine thousand, one hundred twenty-three".