124783 has 2 divisors, whose sum is σ = 124784. Its totient is φ = 124782.
The previous prime is 124781. The next prime is 124793. The reversal of 124783 is 387421.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 124783 - 21 = 124781 is a prime.
Together with 124781, it forms a pair of twin primes.
124783 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124781) 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, 62391 + 62392.
It is an arithmetic number, because the mean of its divisors is an integer number (62392).
2124783 is an apocalyptic number.
124783 is a deficient number, since it is larger than the sum of its proper divisors (1).
124783 is an equidigital number, since it uses as much as digits as its factorization.
124783 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1344, while the sum is 25.
The square root of 124783 is about 353.2463729467. The cubic root of 124783 is about 49.9710499077.
The spelling of 124783 in words is "one hundred twenty-four thousand, seven hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •