1101022425 has 36 divisors (see below), whose sum is σ = 2088063900. Its totient is φ = 552668160.

The previous prime is 1101022421. The next prime is 1101022463. The reversal of 1101022425 is 5242201011.

It can be written as a sum of positive squares in 6 ways, for example, as 48149721 + 1052872704 = 6939^2 + 32448^2 .

It is not a de Polignac number, because 1101022425 - 2² = 1101022421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101022398 and 1101022407.

It is not an unprimeable number, because it can be changed into a prime (1101022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 140100 + ... + 147749.

It is an arithmetic number, because the mean of its divisors is an integer number (58001775).

Almost surely, 2^1101022425 is an apocalyptic number.

1101022425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1101022425 is a deficient number, since it is larger than the sum of its proper divisors (987041475).

1101022425 is a wasteful number, since it uses less digits than its factorization.

1101022425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287882 (or 287874 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1101022425 is about 33181.6579603853. The cubic root of 1101022425 is about 1032.5998433857.

Adding to 1101022425 its reverse (5242201011), we get a palindrome (6343223436).

The spelling of 1101022425 in words is "one billion, one hundred one million, twenty-two thousand, four hundred twenty-five".