1105420625 has 10 divisors (see below), whose sum is σ = 1381334394. Its totient is φ = 884336000.

The previous prime is 1105420619. The next prime is 1105420663. The reversal of 1105420625 is 5260245011.

It can be written as a sum of positive squares in 5 ways, for example, as 129982801 + 975437824 = 11401^2 + 31232^2 .

It is not a de Polignac number, because 1105420625 - 2⁴ = 1105420609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1105420594 and 1105420603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 883712 + ... + 884961.

Almost surely, 2^1105420625 is an apocalyptic number.

It is an amenable number.

1105420625 is a deficient number, since it is larger than the sum of its proper divisors (275913769).

1105420625 is an frugal number, since it uses more digits than its factorization.

1105420625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768693 (or 1768678 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1105420625 is about 33247.8664729032. The cubic root of 1105420625 is about 1033.9729751737.

Adding to 1105420625 its reverse (5260245011), we get a palindrome (6365665636).

The spelling of 1105420625 in words is "one billion, one hundred five million, four hundred twenty thousand, six hundred twenty-five".