1081106825 has 6 divisors (see below), whose sum is σ = 1340572494. Its totient is φ = 864885440.

The previous prime is 1081106797. The next prime is 1081106839. The reversal of 1081106825 is 5286011801.

It can be written as a sum of positive squares in 3 ways, for example, as 3888784 + 1077218041 = 1972^2 + 32821^2 .

It is not a de Polignac number, because 1081106825 - 2⁸ = 1081106569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081106791 and 1081106800.

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, 21622112 + ... + 21622161.

It is an arithmetic number, because the mean of its divisors is an integer number (223428749).

Almost surely, 2^1081106825 is an apocalyptic number.

It is an amenable number.

1081106825 is a deficient number, since it is larger than the sum of its proper divisors (259465669).

1081106825 is an equidigital number, since it uses as much as digits as its factorization.

1081106825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43244283 (or 43244278 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 1081106825 is about 32880.1889441043. The cubic root of 1081106825 is about 1026.3359379956.

The spelling of 1081106825 in words is "one billion, eighty-one million, one hundred six thousand, eight hundred twenty-five".