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124401 = 341467
BaseRepresentation
bin11110010111110001
320022122110
4132113301
512440101
62355533
71025454
oct362761
9208573
10124401
1185512
125bba9
1344814
143349b
1526cd6
hex1e5f1

124401 has 4 divisors (see below), whose sum is σ = 165872. Its totient is φ = 82932.

The previous prime is 124367. The next prime is 124427. The reversal of 124401 is 104421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104421 = 334807.

It is not a de Polignac number, because 124401 - 26 = 124337 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (124471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20731 + ... + 20736.

It is an arithmetic number, because the mean of its divisors is an integer number (41468).

2124401 is an apocalyptic number.

It is an amenable number.

124401 is a deficient number, since it is larger than the sum of its proper divisors (41471).

124401 is an equidigital number, since it uses as much as digits as its factorization.

124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41470.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 124401 is about 352.7052593881. The cubic root of 124401 is about 49.9200054189.

Adding to 124401 its reverse (104421), we get a palindrome (228822).

It can be divided in two parts, 124 and 401, that added together give a palindrome (525).

The spelling of 124401 in words is "one hundred twenty-four thousand, four hundred one", and thus it is an iban number.

Divisors: 1 3 41467 124401