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124001 is a prime number
BaseRepresentation
bin11110010001100001
320022002122
4132101201
512432001
62354025
71024343
oct362141
9208078
10124001
1185189
125b915
1344597
1433293
1526b1b
hex1e461

124001 has 2 divisors, whose sum is σ = 124002. Its totient is φ = 124000.

The previous prime is 123997. The next prime is 124021. The reversal of 124001 is 100421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 30976 = 305^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 124001 - 22 = 123997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000 + 62001.

It is an arithmetic number, because the mean of its divisors is an integer number (62001).

2124001 is an apocalyptic number.

It is an amenable number.

124001 is a deficient number, since it is larger than the sum of its proper divisors (1).

124001 is an equidigital number, since it uses as much as digits as its factorization.

124001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 124001 is about 352.1377571349. The cubic root of 124001 is about 49.8664435712.

Adding to 124001 its reverse (100421), we get a palindrome (224422).

The spelling of 124001 in words is "one hundred twenty-four thousand, one", and thus it is an iban number.