1124561 has 2 divisors, whose sum is σ = 1124562. Its totient is φ = 1124560.

The previous prime is 1124551. The next prime is 1124581. The reversal of 1124561 is 1654211.

It is an a-pointer prime, because the next prime (1124581) can be obtained adding 1124561 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 961 = 1060^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124561 - 2¹⁸ = 862417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1124531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562280 + 562281.

It is an arithmetic number, because the mean of its divisors is an integer number (562281).

2^1124561 is an apocalyptic number.

It is an amenable number.

1124561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124561 is an equidigital number, since it uses as much as digits as its factorization.

1124561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 1124561 is about 1060.4532050025. The cubic root of 1124561 is about 103.9906611437.

Adding to 1124561 its reverse (1654211), we get a palindrome (2778772).

The spelling of 1124561 in words is "one million, one hundred twenty-four thousand, five hundred sixty-one".