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1201030253 is a prime number
BaseRepresentation
bin100011110010110…
…0100010001101101
310002200221122202222
41013211210101231
54424430432003
6315102125125
741522405633
oct10745442155
93080848688
101201030253
11566a4a895
122962807a5
13161a953b7
14b571b353
1570690c38
hex4796446d

1201030253 has 2 divisors, whose sum is σ = 1201030254. Its totient is φ = 1201030252.

The previous prime is 1201030213. The next prime is 1201030267. The reversal of 1201030253 is 3520301021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 684240964 + 516789289 = 26158^2 + 22733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201030253 - 28 = 1201029997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201030213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600515126 + 600515127.

It is an arithmetic number, because the mean of its divisors is an integer number (600515127).

Almost surely, 21201030253 is an apocalyptic number.

It is an amenable number.

1201030253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201030253 is an equidigital number, since it uses as much as digits as its factorization.

1201030253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1201030253 is about 34655.8833821907. The cubic root of 1201030253 is about 1062.9625952978.

Adding to 1201030253 its reverse (3520301021), we get a palindrome (4721331274).

The spelling of 1201030253 in words is "one billion, two hundred one million, thirty thousand, two hundred fifty-three".