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122008343 = 313935753
BaseRepresentation
bin1110100010110…
…11001100010111
322111120122222112
413101123030113
5222213231333
620035021235
73011024312
oct721331427
9274518875
10122008343
1162963746
1234a3a81b
131c37b0b2
14122bd979
15aaa0948
hex745b317

122008343 has 4 divisors (see below), whose sum is σ = 125944128. Its totient is φ = 118072560.

The previous prime is 122008321. The next prime is 122008379. The reversal of 122008343 is 343800221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343800221 = 464374047.

It is a cyclic number.

It is not a de Polignac number, because 122008343 - 214 = 121991959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122008043) 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, 1967846 + ... + 1967907.

It is an arithmetic number, because the mean of its divisors is an integer number (31486032).

Almost surely, 2122008343 is an apocalyptic number.

122008343 is a deficient number, since it is larger than the sum of its proper divisors (3935785).

122008343 is an equidigital number, since it uses as much as digits as its factorization.

122008343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935784.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 122008343 is about 11045.7386805953. The cubic root of 122008343 is about 495.9788717479.

Adding to 122008343 its reverse (343800221), we get a palindrome (465808564).

The spelling of 122008343 in words is "one hundred twenty-two million, eight thousand, three hundred forty-three".

Divisors: 1 31 3935753 122008343