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1080961 = 7154423
BaseRepresentation
bin100000111111010000001
32000220210121
410013322001
5234042321
635100241
712121330
oct4077201
92026717
101080961
11679162
12441681
132bb02b
14201d17
15165441
hex107e81

1080961 has 4 divisors (see below), whose sum is σ = 1235392. Its totient is φ = 926532.

The previous prime is 1080943. The next prime is 1080971. The reversal of 1080961 is 1690801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1690801 = 7241543.

It is a cyclic number.

It is not a de Polignac number, because 1080961 - 29 = 1080449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77205 + ... + 77218.

It is an arithmetic number, because the mean of its divisors is an integer number (308848).

21080961 is an apocalyptic number.

It is an amenable number.

1080961 is a deficient number, since it is larger than the sum of its proper divisors (154431).

1080961 is an equidigital number, since it uses as much as digits as its factorization.

1080961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154430.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1080961 is about 1039.6927430736. The cubic root of 1080961 is about 102.6289790176.

The spelling of 1080961 in words is "one million, eighty thousand, nine hundred sixty-one".

Divisors: 1 7 154423 1080961