412242139 has 2 divisors, whose sum is σ = 412242140.
Its totient is φ = 412242138.
The previous prime is 412242119. The next prime is 412242253. The reversal of 412242139 is 931242214.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 412242139 - 27 = 412242011 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (412242119) 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 as a sum of consecutive naturals, namely, 206121069 + 206121070.
It is an arithmetic number, because the mean of its divisors is an integer number (206121070).
Almost surely, 2412242139 is an apocalyptic number.
412242139 is a deficient number, since it is larger than the sum of its proper divisors (1).
412242139 is an equidigital number, since it uses as much as digits as its factorization.
412242139 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 28.
The square root of 412242139 is about 20303.7469202115.
The cubic root of 412242139 is about 744.2476310580.
The spelling of 412242139 in words is "four hundred twelve million, two hundred forty-two thousand, one hundred thirty-nine".