6120139 has 4 divisors (see below), whose sum is σ = 6386256. Its totient is φ = 5854024.

The previous prime is 6120097. The next prime is 6120151. The reversal of 6120139 is 9310216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6120139 is a prime.

It is a super-2 number, since 2×6120139² = 74912202758642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6120739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133024 + ... + 133069.

It is an arithmetic number, because the mean of its divisors is an integer number (1596564).

Almost surely, 2^6120139 is an apocalyptic number.

6120139 is a deficient number, since it is larger than the sum of its proper divisors (266117).

6120139 is a wasteful number, since it uses less digits than its factorization.

6120139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266116.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 6120139 is about 2473.8914689210. The cubic root of 6120139 is about 182.9168702826.

The spelling of 6120139 in words is "six million, one hundred twenty thousand, one hundred thirty-nine".