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1131049 is a prime number
BaseRepresentation
bin100010100001000101001
32010110111201
410110020221
5242143144
640124201
712420343
oct4241051
92113451
101131049
11702857
12466661
13307a7a
14216293
151751d4
hex114229

1131049 has 2 divisors, whose sum is σ = 1131050. Its totient is φ = 1131048.

The previous prime is 1131047. The next prime is 1131077. The reversal of 1131049 is 9401311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 219024 = 955^2 + 468^2 .

It is an emirp because it is prime and its reverse (9401311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131049 - 21 = 1131047 is a prime.

Together with 1131047, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565524 + 565525.

It is an arithmetic number, because the mean of its divisors is an integer number (565525).

21131049 is an apocalyptic number.

It is an amenable number.

1131049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131049 is an equidigital number, since it uses as much as digits as its factorization.

1131049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1131049 is about 1063.5078749121. The cubic root of 1131049 is about 104.1902643783.

The spelling of 1131049 in words is "one million, one hundred thirty-one thousand, forty-nine".