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122601 = 340867
BaseRepresentation
bin11101111011101001
320020011210
4131323221
512410401
62343333
71020303
oct357351
9206153
10122601
1184126
125ab49
1343a5b
1432973
15264d6
hex1dee9

122601 has 4 divisors (see below), whose sum is σ = 163472. Its totient is φ = 81732.

The previous prime is 122599. The next prime is 122609. The reversal of 122601 is 106221.

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: 106221 = 335407.

It is not a de Polignac number, because 122601 - 21 = 122599 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 122601.

It is not an unprimeable number, because it can be changed into a prime (122609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20431 + ... + 20436.

It is an arithmetic number, because the mean of its divisors is an integer number (40868).

2122601 is an apocalyptic number.

It is an amenable number.

122601 is a deficient number, since it is larger than the sum of its proper divisors (40871).

122601 is an equidigital number, since it uses as much as digits as its factorization.

122601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40870.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 122601 is about 350.1442559860. The cubic root of 122601 is about 49.6780649385.

Adding to 122601 its reverse (106221), we get a palindrome (228822).

The spelling of 122601 in words is "one hundred twenty-two thousand, six hundred one".

Divisors: 1 3 40867 122601