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1108246261 is a prime number
BaseRepresentation
bin100001000001110…
…0111111011110101
32212020100202001211
41002003213323311
54232202340021
6301545321421
736314636443
oct10203477365
92766322054
101108246261
11519637901
1226b196271
131487aa225
14a7287b93
15674643e1
hex420e7ef5

1108246261 has 2 divisors, whose sum is σ = 1108246262. Its totient is φ = 1108246260.

The previous prime is 1108246219. The next prime is 1108246289. The reversal of 1108246261 is 1626428011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998939236 + 109307025 = 31606^2 + 10455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108246261 - 219 = 1107721973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108246211) by changing a digit.

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 as a sum of consecutive naturals, namely, 554123130 + 554123131.

It is an arithmetic number, because the mean of its divisors is an integer number (554123131).

Almost surely, 21108246261 is an apocalyptic number.

It is an amenable number.

1108246261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108246261 is an equidigital number, since it uses as much as digits as its factorization.

1108246261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1108246261 is about 33290.3328460381. The cubic root of 1108246261 is about 1034.8532269487.

The spelling of 1108246261 in words is "one billion, one hundred eight million, two hundred forty-six thousand, two hundred sixty-one".