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1081129 = 7413767
BaseRepresentation
bin100000111111100101001
32000221000211
410013330221
5234044004
635101121
712121660
oct4077451
92027024
101081129
116792a5
124417a1
132bb12a
14201dd7
15165504
hex107f29

1081129 has 8 divisors (see below), whose sum is σ = 1266048. Its totient is φ = 903840.

The previous prime is 1081127. The next prime is 1081133. The reversal of 1081129 is 9211801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081129 - 21 = 1081127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081121) 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 in 7 ways as a sum of consecutive naturals, for example, 1597 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (158256).

21081129 is an apocalyptic number.

It is an amenable number.

1081129 is a deficient number, since it is larger than the sum of its proper divisors (184919).

1081129 is an equidigital number, since it uses as much as digits as its factorization.

1081129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1081129 is about 1039.7735330350. The cubic root of 1081129 is about 102.6342955139.

The spelling of 1081129 in words is "one million, eighty-one thousand, one hundred twenty-nine".

Divisors: 1 7 41 287 3767 26369 154447 1081129