6124991 has 2 divisors, whose sum is σ = 6124992. Its totient is φ = 6124990.

The previous prime is 6124961. The next prime is 6124997. The reversal of 6124991 is 1994216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6124991 - 2¹⁰ = 6123967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6124997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3062495 + 3062496.

It is an arithmetic number, because the mean of its divisors is an integer number (3062496).

Almost surely, 2^6124991 is an apocalyptic number.

6124991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6124991 is an equidigital number, since it uses as much as digits as its factorization.

6124991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 6124991 is about 2474.8719158777. The cubic root of 6124991 is about 182.9651958855.

It can be divided in two parts, 61 and 24991, that added together give a palindrome (25052).

The spelling of 6124991 in words is "six million, one hundred twenty-four thousand, nine hundred ninety-one".