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1139249 is a prime number
BaseRepresentation
bin100010110001000110001
32010212202102
410112020301
5242423444
640230145
712453266
oct4261061
92125672
101139249
11708a31
1246b355
1330b717
1421926d
1517784e
hex116231

1139249 has 2 divisors, whose sum is σ = 1139250. Its totient is φ = 1139248.

The previous prime is 1139239. The next prime is 1139263. The reversal of 1139249 is 9429311.

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., 889249 + 250000 = 943^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139249 - 216 = 1073713 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1139239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569624 + 569625.

It is an arithmetic number, because the mean of its divisors is an integer number (569625).

21139249 is an apocalyptic number.

It is an amenable number.

1139249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139249 is an equidigital number, since it uses as much as digits as its factorization.

1139249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 1139249 is about 1067.3560792913. The cubic root of 1139249 is about 104.4414482399.

The spelling of 1139249 in words is "one million, one hundred thirty-nine thousand, two hundred forty-nine".