1126434451 has 4 divisors (see below), whose sum is σ = 1153908504. Its totient is φ = 1098960400.

The previous prime is 1126434389. The next prime is 1126434469. The reversal of 1126434451 is 1544346211.

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 1126434451 - 2⁹ = 1126433939 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126435451) 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, 13736965 + ... + 13737046.

It is an arithmetic number, because the mean of its divisors is an integer number (288477126).

Almost surely, 2^1126434451 is an apocalyptic number.

1126434451 is a deficient number, since it is larger than the sum of its proper divisors (27474053).

1126434451 is an equidigital number, since it uses as much as digits as its factorization.

1126434451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474052.

The product of its digits is 11520, while the sum is 31.

The square root of 1126434451 is about 33562.3963834527. The cubic root of 1126434451 is about 1040.4837650140.

The spelling of 1126434451 in words is "one billion, one hundred twenty-six million, four hundred thirty-four thousand, four hundred fifty-one".