1047388451 has 4 divisors (see below), whose sum is σ = 1061736312. Its totient is φ = 1033040592.

The previous prime is 1047388423. The next prime is 1047388469. The reversal of 1047388451 is 1548837401.

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 1047388451 - 2⁶ = 1047388387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047388399 and 1047388408.

It is not an unprimeable number, because it can be changed into a prime (1047388051) 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, 7173821 + ... + 7173966.

It is an arithmetic number, because the mean of its divisors is an integer number (265434078).

Almost surely, 2^1047388451 is an apocalyptic number.

1047388451 is a deficient number, since it is larger than the sum of its proper divisors (14347861).

1047388451 is an equidigital number, since it uses as much as digits as its factorization.

1047388451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347860.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 1047388451 is about 32363.3813282852. The cubic root of 1047388451 is about 1015.5530004420.

The spelling of 1047388451 in words is "one billion, forty-seven million, three hundred eighty-eight thousand, four hundred fifty-one".