1124209 has 2 divisors, whose sum is σ = 1124210. Its totient is φ = 1124208.

The previous prime is 1124203. The next prime is 1124219. The reversal of 1124209 is 9024211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 418609 = 840^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124209 - 2¹⁷ = 993137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1124203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562104 + 562105.

It is an arithmetic number, because the mean of its divisors is an integer number (562105).

2^1124209 is an apocalyptic number.

It is an amenable number.

1124209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124209 is an equidigital number, since it uses as much as digits as its factorization.

1124209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1124209 is about 1060.2872252366. The cubic root of 1124209 is about 103.9798099367.

The spelling of 1124209 in words is "one million, one hundred twenty-four thousand, two hundred nine".