1124509 has 2 divisors, whose sum is σ = 1124510. Its totient is φ = 1124508.

The previous prime is 1124449. The next prime is 1124531. The reversal of 1124509 is 9054211.

It is an a-pointer prime, because the next prime (1124531) can be obtained adding 1124509 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727609 + 396900 = 853^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124509 - 2¹³ = 1116317 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1124509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562254 + 562255.

It is an arithmetic number, because the mean of its divisors is an integer number (562255).

2^1124509 is an apocalyptic number.

It is an amenable number.

1124509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124509 is an equidigital number, since it uses as much as digits as its factorization.

1124509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1124509 is about 1060.4286868998. The cubic root of 1124509 is about 103.9890582670.

The spelling of 1124509 in words is "one million, one hundred twenty-four thousand, five hundred nine".