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122432201 = 181676421
BaseRepresentation
bin1110100110000…
…10101011001001
322112101012101222
413103002223021
5222320312301
620052051425
73014441123
oct723025311
9275335358
10122432201
1163123141
1235003b75
131c498cb8
1412390213
15ab3631b
hex74c2ac9

122432201 has 4 divisors (see below), whose sum is σ = 123108804. Its totient is φ = 121755600.

The previous prime is 122432153. The next prime is 122432203. The reversal of 122432201 is 102234221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25999801 + 96432400 = 5099^2 + 9820^2 .

It is a cyclic number.

It is not a de Polignac number, because 122432201 - 222 = 118237897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122432201.

It is not an unprimeable number, because it can be changed into a prime (122432203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338030 + ... + 338391.

It is an arithmetic number, because the mean of its divisors is an integer number (30777201).

Almost surely, 2122432201 is an apocalyptic number.

It is an amenable number.

122432201 is a deficient number, since it is larger than the sum of its proper divisors (676603).

122432201 is an equidigital number, since it uses as much as digits as its factorization.

122432201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676602.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122432201 is about 11064.9085400648. The cubic root of 122432201 is about 496.5525528463.

Adding to 122432201 its reverse (102234221), we get a palindrome (224666422).

The spelling of 122432201 in words is "one hundred twenty-two million, four hundred thirty-two thousand, two hundred one".

Divisors: 1 181 676421 122432201