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261127 is a prime number
BaseRepresentation
bin111111110000000111
3111021012101
4333300013
531324002
65332531
72135206
oct776007
9437171
10261127
11169209
12107147
1391b19
146b23d
1552587
hex3fc07

261127 has 2 divisors, whose sum is σ = 261128. Its totient is φ = 261126.

The previous prime is 261101. The next prime is 261167. The reversal of 261127 is 721162.

261127 is nontrivially palindromic in base 13.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261127 - 27 = 260999 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261167) 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, 130563 + 130564.

It is an arithmetic number, because the mean of its divisors is an integer number (130564).

2261127 is an apocalyptic number.

261127 is a deficient number, since it is larger than the sum of its proper divisors (1).

261127 is an equidigital number, since it uses as much as digits as its factorization.

261127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 261127 is about 511.0058708078. The cubic root of 261127 is about 63.9171290683.

Adding to 261127 its reverse (721162), we get a palindrome (982289).

The spelling of 261127 in words is "two hundred sixty-one thousand, one hundred twenty-seven".