1040722505 has 4 divisors (see below), whose sum is σ = 1248867012. Its totient is φ = 832578000.

The previous prime is 1040722499. The next prime is 1040722513. The reversal of 1040722505 is 5052270401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261921856 + 778800649 = 16184^2 + 27907^2 .

It is not a de Polignac number, because 1040722505 - 2¹⁰ = 1040721481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104072246 + ... + 104072255.

It is an arithmetic number, because the mean of its divisors is an integer number (312216753).

Almost surely, 2^1040722505 is an apocalyptic number.

It is an amenable number.

1040722505 is a deficient number, since it is larger than the sum of its proper divisors (208144507).

1040722505 is an equidigital number, since it uses as much as digits as its factorization.

1040722505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208144506.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 1040722505 is about 32260.2310128120. The cubic root of 1040722505 is about 1013.3939689762.

Adding to 1040722505 its reverse (5052270401), we get a palindrome (6092992906).

The spelling of 1040722505 in words is "one billion, forty million, seven hundred twenty-two thousand, five hundred five".