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1260131 is a prime number
BaseRepresentation
bin100110011101001100011
32101000120112
410303221203
5310311011
643001535
713465565
oct4635143
92330515
101260131
11790834
125092ab
13351752
1424b335
1519d58b
hex133a63

1260131 has 2 divisors, whose sum is σ = 1260132. Its totient is φ = 1260130.

The previous prime is 1260121. The next prime is 1260143. The reversal of 1260131 is 1310621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1260131 - 26 = 1260067 is a prime.

It is a super-2 number, since 2×12601312 = 3175860274322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1260121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630065 + 630066.

It is an arithmetic number, because the mean of its divisors is an integer number (630066).

21260131 is an apocalyptic number.

1260131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260131 is an equidigital number, since it uses as much as digits as its factorization.

1260131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1260131 is about 1122.5555665534. Note that the first 4 decimals coincide. The cubic root of 1260131 is about 108.0119728382.

Adding to 1260131 its reverse (1310621), we get a palindrome (2570752).

The spelling of 1260131 in words is "one million, two hundred sixty thousand, one hundred thirty-one".