1124641 has 4 divisors (see below), whose sum is σ = 1285312. Its totient is φ = 963972.

The previous prime is 1124639. The next prime is 1124647. The reversal of 1124641 is 1464211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1464211 = 7 ⋅209173.

It is a cyclic number.

It is not a de Polignac number, because 1124641 - 2¹ = 1124639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1124647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80325 + ... + 80338.

It is an arithmetic number, because the mean of its divisors is an integer number (321328).

2^1124641 is an apocalyptic number.

It is an amenable number.

1124641 is a deficient number, since it is larger than the sum of its proper divisors (160671).

1124641 is an equidigital number, since it uses as much as digits as its factorization.

1124641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160670.

The product of its digits is 192, while the sum is 19.

The square root of 1124641 is about 1060.4909240536. The cubic root of 1124641 is about 103.9931270113.

Adding to 1124641 its reverse (1464211), we get a palindrome (2588852).

It can be divided in two parts, 112 and 4641, that added together give a triangular number (4753 = T₉₇).

The spelling of 1124641 in words is "one million, one hundred twenty-four thousand, six hundred forty-one".