6125139 has 10 divisors (see below), whose sum is σ = 9150020. Its totient is φ = 4083372.

The previous prime is 6125137. The next prime is 6125143. The reversal of 6125139 is 9315216.

It is not a de Polignac number, because 6125139 - 2¹ = 6125137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6125137) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37729 + ... + 37890.

It is an arithmetic number, because the mean of its divisors is an integer number (915002).

Almost surely, 2^6125139 is an apocalyptic number.

6125139 is a deficient number, since it is larger than the sum of its proper divisors (3024881).

6125139 is an equidigital number, since it uses as much as digits as its factorization.

6125139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75631 (or 75622 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 6125139 is about 2474.9018162343. The cubic root of 6125139 is about 182.9666695546.

It can be divided in two parts, 61 and 25139, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 6125139 in words is "six million, one hundred twenty-five thousand, one hundred thirty-nine".