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1200201325 = 5259980147
BaseRepresentation
bin100011110001001…
…1001111001101101
310002122101112200221
41013202121321231
54424222420300
6315032251341
741512354141
oct10742317155
93078345627
101200201325
11566534024
12295b40b51
13161864ccb
14b5583221
157057a31a
hex47899e6d

1200201325 has 12 divisors (see below), whose sum is σ = 1490752800. Its totient is φ = 958546160.

The previous prime is 1200201313. The next prime is 1200201347. The reversal of 1200201325 is 5231020021.

It is not a de Polignac number, because 1200201325 - 25 = 1200201293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200201299 and 1200201308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25099 + ... + 55048.

It is an arithmetic number, because the mean of its divisors is an integer number (124229400).

Almost surely, 21200201325 is an apocalyptic number.

It is an amenable number.

1200201325 is a deficient number, since it is larger than the sum of its proper divisors (290551475).

1200201325 is an equidigital number, since it uses as much as digits as its factorization.

1200201325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80756 (or 80751 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1200201325 is about 34643.9219055811. The cubic root of 1200201325 is about 1062.7179935641.

Adding to 1200201325 its reverse (5231020021), we get a palindrome (6431221346).

The spelling of 1200201325 in words is "one billion, two hundred million, two hundred one thousand, three hundred twenty-five".

Divisors: 1 5 25 599 2995 14975 80147 400735 2003675 48008053 240040265 1200201325