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1208133 = 32241557
BaseRepresentation
bin100100110111101000101
32021101020200
410212331011
5302130013
641521113
713161153
oct4467505
92241220
101208133
11755763
124a3199
13333b94
142363d3
1518ce73
hex126f45

1208133 has 12 divisors (see below), whose sum is σ = 1755468. Its totient is φ = 800640.

The previous prime is 1208131. The next prime is 1208149. The reversal of 1208133 is 3318021.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 736164 = 687^2 + 858^2 .

It is not a de Polignac number, because 1208133 - 21 = 1208131 is a prime.

1208133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208131) 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 11 ways as a sum of consecutive naturals, for example, 1891 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (146289).

21208133 is an apocalyptic number.

It is an amenable number.

1208133 is a deficient number, since it is larger than the sum of its proper divisors (547335).

1208133 is a wasteful number, since it uses less digits than its factorization.

1208133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1208133 is about 1099.1510360274. The cubic root of 1208133 is about 106.5053888697.

The spelling of 1208133 in words is "one million, two hundred eight thousand, one hundred thirty-three".

Divisors: 1 3 9 241 557 723 1671 2169 5013 134237 402711 1208133