1101025 has 6 divisors (see below), whose sum is σ = 1365302. Its totient is φ = 880800.

The previous prime is 1100977. The next prime is 1101071. The reversal of 1101025 is 5201011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 82944 + 1018081 = 288^2 + 1009^2 .

It is not a de Polignac number, because 1101025 - 2⁹ = 1100513 is a prime.

It is a Duffinian number.

1101025 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21996 + ... + 22045.

2^1101025 is an apocalyptic number.

It is an amenable number.

1101025 is a deficient number, since it is larger than the sum of its proper divisors (264277).

1101025 is an equidigital number, since it uses as much as digits as its factorization.

1101025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44051 (or 44046 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1101025 is about 1049.2973839670. The cubic root of 1101025 is about 103.2600648378.

Adding to 1101025 its reverse (5201011), we get a palindrome (6302036).

The spelling of 1101025 in words is "one million, one hundred one thousand, twenty-five".