1124681 has 2 divisors, whose sum is σ = 1124682. Its totient is φ = 1124680.

The previous prime is 1124659. The next prime is 1124687. The reversal of 1124681 is 1864211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 241081 = 940^2 + 491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1124681 is a prime.

It is a super-2 number, since 2×1124681² = 2529814703522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1124687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562340 + 562341.

It is an arithmetic number, because the mean of its divisors is an integer number (562341).

2^1124681 is an apocalyptic number.

It is an amenable number.

1124681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124681 is an equidigital number, since it uses as much as digits as its factorization.

1124681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

The square root of 1124681 is about 1060.5097830760. The cubic root of 1124681 is about 103.9943599012.

Adding to 1124681 its reverse (1864211), we get a palindrome (2988892).

The spelling of 1124681 in words is "one million, one hundred twenty-four thousand, six hundred eighty-one".