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122311201 = 354734483
BaseRepresentation
bin1110100101001…
…01001000100001
322112011001102111
413102211020201
5222302424301
620045315321
73013425265
oct722451041
9275131374
10122311201
1163050241
1234b65b41
131c455bbc
141235c0a5
15ab10551
hex74a5221

122311201 has 4 divisors (see below), whose sum is σ = 122349232. Its totient is φ = 122273172.

The previous prime is 122311199. The next prime is 122311219. The reversal of 122311201 is 102113221.

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: 102113221 = 714587603.

It is a cyclic number.

It is not a de Polignac number, because 122311201 - 21 = 122311199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122311261) 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, 13695 + ... + 20788.

It is an arithmetic number, because the mean of its divisors is an integer number (30587308).

Almost surely, 2122311201 is an apocalyptic number.

It is an amenable number.

122311201 is a deficient number, since it is larger than the sum of its proper divisors (38031).

122311201 is an equidigital number, since it uses as much as digits as its factorization.

122311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38030.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 122311201 is about 11059.4394523412. The cubic root of 122311201 is about 496.3889176190.

Adding to 122311201 its reverse (102113221), we get a palindrome (224424422).

The spelling of 122311201 in words is "one hundred twenty-two million, three hundred eleven thousand, two hundred one".

Divisors: 1 3547 34483 122311201