1047112405 has 8 divisors (see below), whose sum is σ = 1260158112. Its totient is φ = 835274448.

The previous prime is 1047112337. The next prime is 1047112411. The reversal of 1047112405 is 5042117401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047112405 - 2⁷ = 1047112277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047112405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300027 + ... + 303496.

It is an arithmetic number, because the mean of its divisors is an integer number (157519764).

Almost surely, 2^1047112405 is an apocalyptic number.

It is an amenable number.

1047112405 is a deficient number, since it is larger than the sum of its proper divisors (213045707).

1047112405 is an equidigital number, since it uses as much as digits as its factorization.

1047112405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603875.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1047112405 is about 32359.1162580192. The cubic root of 1047112405 is about 1015.4637740824.

Adding to 1047112405 its reverse (5042117401), we get a palindrome (6089229806).

The spelling of 1047112405 in words is "one billion, forty-seven million, one hundred twelve thousand, four hundred five".