1124791 has 4 divisors (see below), whose sum is σ = 1127232. Its totient is φ = 1122352.

The previous prime is 1124789. The next prime is 1124797. The reversal of 1124791 is 1974211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1974211 = 379 ⋅5209.

It is a cyclic number.

It is not a de Polignac number, because 1124791 - 2¹ = 1124789 is a prime.

It is an Ulam number.

It is a Duffinian number.

1124791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295 + ... + 1528.

It is an arithmetic number, because the mean of its divisors is an integer number (281808).

2^1124791 is an apocalyptic number.

1124791 is a deficient number, since it is larger than the sum of its proper divisors (2441).

1124791 is an equidigital number, since it uses as much as digits as its factorization.

1124791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its digits is 504, while the sum is 25.

The square root of 1124791 is about 1060.5616436587. The cubic root of 1124791 is about 103.9977501979.

The spelling of 1124791 in words is "one million, one hundred twenty-four thousand, seven hundred ninety-one".