1124040451 has 4 divisors (see below), whose sum is σ = 1125047872. Its totient is φ = 1123033032.

The previous prime is 1124040443. The next prime is 1124040469. The reversal of 1124040451 is 1540404211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1124040451 - 2³ = 1124040443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124040481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502035 + ... + 504268.

It is an arithmetic number, because the mean of its divisors is an integer number (281261968).

Almost surely, 2^1124040451 is an apocalyptic number.

1124040451 is a deficient number, since it is larger than the sum of its proper divisors (1007421).

1124040451 is a wasteful number, since it uses less digits than its factorization.

1124040451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007420.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1124040451 is about 33526.7124991401. The cubic root of 1124040451 is about 1039.7461322535.

Adding to 1124040451 its reverse (1540404211), we get a palindrome (2664444662).

The spelling of 1124040451 in words is "one billion, one hundred twenty-four million, forty thousand, four hundred fifty-one".