1047080405 has 64 divisors (see below), whose sum is σ = 1670492160. Its totient is φ = 612209664.

The previous prime is 1047080399. The next prime is 1047080407. The reversal of 1047080405 is 5040807401.

It is a cyclic number.

It is not a de Polignac number, because 1047080405 - 2⁴ = 1047080389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047080407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258002 + ... + 262028.

It is an arithmetic number, because the mean of its divisors is an integer number (26101440).

Almost surely, 2^1047080405 is an apocalyptic number.

It is an amenable number.

1047080405 is a deficient number, since it is larger than the sum of its proper divisors (623411755).

1047080405 is a wasteful number, since it uses less digits than its factorization.

1047080405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1047080405 is about 32358.6218031609. The cubic root of 1047080405 is about 1015.4534297069.

Adding to 1047080405 its reverse (5040807401), we get a palindrome (6087887806).

The spelling of 1047080405 in words is "one billion, forty-seven million, eighty thousand, four hundred five".