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124979 is a prime number
BaseRepresentation
bin11110100000110011
320100102212
4132200303
512444404
62402335
71030241
oct364063
9210385
10124979
1185998
12603ab
1344b6a
1433791
152706e
hex1e833

124979 has 2 divisors, whose sum is σ = 124980. Its totient is φ = 124978.

The previous prime is 124951. The next prime is 124981. The reversal of 124979 is 979421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124979 - 216 = 59443 is a prime.

Together with 124981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62489 + 62490.

It is an arithmetic number, because the mean of its divisors is an integer number (62490).

2124979 is an apocalyptic number.

124979 is a deficient number, since it is larger than the sum of its proper divisors (1).

124979 is an equidigital number, since it uses as much as digits as its factorization.

124979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 124979 is about 353.5236908610. The cubic root of 124979 is about 49.9971998432.

The spelling of 124979 in words is "one hundred twenty-four thousand, nine hundred seventy-nine".