1126518451 has 4 divisors (see below), whose sum is σ = 1126875112. Its totient is φ = 1126161792.

The previous prime is 1126518443. The next prime is 1126518457. The reversal of 1126518451 is 1548156211.

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 1126518451 - 2³ = 1126518443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126518457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173550 + ... + 179923.

It is an arithmetic number, because the mean of its divisors is an integer number (281718778).

Almost surely, 2^1126518451 is an apocalyptic number.

1126518451 is a deficient number, since it is larger than the sum of its proper divisors (356661).

1126518451 is an equidigital number, since it uses as much as digits as its factorization.

1126518451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356660.

The product of its digits is 9600, while the sum is 34.

The square root of 1126518451 is about 33563.6477606353. The cubic root of 1126518451 is about 1040.5096278783.

The spelling of 1126518451 in words is "one billion, one hundred twenty-six million, five hundred eighteen thousand, four hundred fifty-one".