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12481123 is a prime number
BaseRepresentation
bin101111100111…
…001001100011
3212111002212211
4233213021203
511143343443
61123302551
7211042054
oct57471143
925432784
1012481123
117055286
12421aa57
13277cca5
14192c72b
15116819d
hexbe7263

12481123 has 2 divisors, whose sum is σ = 12481124. Its totient is φ = 12481122.

The previous prime is 12481103. The next prime is 12481153. The reversal of 12481123 is 32118421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32118421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12481123 - 213 = 12472931 is a prime.

It is a super-2 number, since 2×124811232 = 311556862682258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12481094 and 12481103.

It is not a weakly prime, because it can be changed into another prime (12481103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240561 + 6240562.

It is an arithmetic number, because the mean of its divisors is an integer number (6240562).

Almost surely, 212481123 is an apocalyptic number.

12481123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481123 is an equidigital number, since it uses as much as digits as its factorization.

12481123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

The square root of 12481123 is about 3532.8632863444. The cubic root of 12481123 is about 231.9625571262.

Adding to 12481123 its reverse (32118421), we get a palindrome (44599544).

The spelling of 12481123 in words is "twelve million, four hundred eighty-one thousand, one hundred twenty-three".