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122320103 = 131992737
BaseRepresentation
bin1110100101001…
…11010011100111
322112011111122012
413102213103213
5222303220403
620045424435
73013463243
oct722472347
9275144565
10122320103
11630569a4
1234b6b11b
131c459c79
1412361423
15ab12ed8
hex74a74e7

122320103 has 4 divisors (see below), whose sum is σ = 122414160. Its totient is φ = 122226048.

The previous prime is 122320069. The next prime is 122320109. The reversal of 122320103 is 301023221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301023221 = 353852757.

It is a cyclic number.

It is not a de Polignac number, because 122320103 - 210 = 122319079 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 (122320109) 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, 45050 + ... + 47687.

It is an arithmetic number, because the mean of its divisors is an integer number (30603540).

Almost surely, 2122320103 is an apocalyptic number.

122320103 is a deficient number, since it is larger than the sum of its proper divisors (94057).

122320103 is an equidigital number, since it uses as much as digits as its factorization.

122320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94056.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 122320103 is about 11059.8419066459. The cubic root of 122320103 is about 496.4009599801.

Adding to 122320103 its reverse (301023221), we get a palindrome (423343324).

The spelling of 122320103 in words is "one hundred twenty-two million, three hundred twenty thousand, one hundred three".

Divisors: 1 1319 92737 122320103