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1161027 = 3376143
BaseRepresentation
bin100011011011101000011
32011222122000
410123131003
5244123102
640515043
712603630
oct4333503
92158560
101161027
1172332a
1247ba83
133185ca
14223187
1517e01c
hex11b743

1161027 has 16 divisors (see below), whose sum is σ = 1966080. Its totient is φ = 663336.

The previous prime is 1161011. The next prime is 1161031. The reversal of 1161027 is 7201611.

It is not a de Polignac number, because 1161027 - 24 = 1161011 is a prime.

1161027 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1161007) 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 15 ways as a sum of consecutive naturals, for example, 2883 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (122880).

21161027 is an apocalyptic number.

1161027 is a deficient number, since it is larger than the sum of its proper divisors (805053).

1161027 is an equidigital number, since it uses as much as digits as its factorization.

1161027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159 (or 6153 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1161027 is about 1077.5096287273. The cubic root of 1161027 is about 105.1027565490.

Adding to 1161027 its reverse (7201611), we get a palindrome (8362638).

It can be divided in two parts, 1 and 161027, that added together give a triangular number (161028 = T567).

The spelling of 1161027 in words is "one million, one hundred sixty-one thousand, twenty-seven".

Divisors: 1 3 7 9 21 27 63 189 6143 18429 43001 55287 129003 165861 387009 1161027