1043056451 has 4 divisors (see below), whose sum is σ = 1046151912. Its totient is φ = 1039960992.

The previous prime is 1043056429. The next prime is 1043056459. The reversal of 1043056451 is 1546503401.

It is a happy number.

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 1043056451 - 2¹⁸ = 1042794307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043056459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547225 + ... + 1547898.

It is an arithmetic number, because the mean of its divisors is an integer number (261537978).

Almost surely, 2^1043056451 is an apocalyptic number.

1043056451 is a deficient number, since it is larger than the sum of its proper divisors (3095461).

1043056451 is an equidigital number, since it uses as much as digits as its factorization.

1043056451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095460.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1043056451 is about 32296.3844880507. The cubic root of 1043056451 is about 1014.1509561978.

Adding to 1043056451 its reverse (1546503401), we get a palindrome (2589559852).

The spelling of 1043056451 in words is "one billion, forty-three million, fifty-six thousand, four hundred fifty-one".