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1011229 is a prime number
BaseRepresentation
bin11110110111000011101
31220101010221
43312320131
5224324404
633401341
711411122
oct3667035
91811127
101011229
1163082a
12409251
1329537b
141c4749
1514e954
hexf6e1d

1011229 has 2 divisors, whose sum is σ = 1011230. Its totient is φ = 1011228.

The previous prime is 1011221. The next prime is 1011233. The reversal of 1011229 is 9221101.

1011229 is nontrivially palindromic in base 3.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 7225 = 1002^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011229 - 23 = 1011221 is a prime.

1011229 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505614 + 505615.

It is an arithmetic number, because the mean of its divisors is an integer number (505615).

21011229 is an apocalyptic number.

It is an amenable number.

1011229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011229 is an equidigital number, since it uses as much as digits as its factorization.

1011229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1011229 is about 1005.5988265705. The cubic root of 1011229 is about 100.3729076701.

The spelling of 1011229 in words is "one million, eleven thousand, two hundred twenty-nine".