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1225123327 is a prime number
BaseRepresentation
bin100100100000101…
…1110010111111111
310011101021201021001
41021001132113333
510002112421302
6321322351131
742234243061
oct11101362777
93141251231
101225123327
1157960631a
122a235b4a7
13166a7c85c
14b89cd731
157284e787
hex4905e5ff

1225123327 has 2 divisors, whose sum is σ = 1225123328. Its totient is φ = 1225123326.

The previous prime is 1225123307. The next prime is 1225123351. The reversal of 1225123327 is 7233215221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225123327 - 27 = 1225123199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225123295 and 1225123304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225123307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612561663 + 612561664.

It is an arithmetic number, because the mean of its divisors is an integer number (612561664).

Almost surely, 21225123327 is an apocalyptic number.

1225123327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225123327 is an equidigital number, since it uses as much as digits as its factorization.

1225123327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 1225123327 is about 35001.7617699452. The cubic root of 1225123327 is about 1070.0233863931.

Adding to 1225123327 its reverse (7233215221), we get a palindrome (8458338548).

The spelling of 1225123327 in words is "one billion, two hundred twenty-five million, one hundred twenty-three thousand, three hundred twenty-seven".