1101442025 has 24 divisors (see below), whose sum is σ = 1397046744. Its totient is φ = 861120000.

The previous prime is 1101442021. The next prime is 1101442079. The reversal of 1101442025 is 5202441011.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 330657856 + 770784169 = 18184^2 + 27763^2 .

It is not a de Polignac number, because 1101442025 - 2² = 1101442021 is a prime.

It is a super-2 number, since 2×1101442025² = 2426349068872201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101441988 and 1101442006.

It is not an unprimeable number, because it can be changed into a prime (1101442021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365525 + ... + 368525.

It is an arithmetic number, because the mean of its divisors is an integer number (58210281).

Almost surely, 2^1101442025 is an apocalyptic number.

It is an amenable number.

1101442025 is a deficient number, since it is larger than the sum of its proper divisors (295604719).

1101442025 is a wasteful number, since it uses less digits than its factorization.

1101442025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1101442025 is about 33187.9801283537. The cubic root of 1101442025 is about 1032.7310014363.

Adding to 1101442025 its reverse (5202441011), we get a palindrome (6303883036).

The spelling of 1101442025 in words is "one billion, one hundred one million, four hundred forty-two thousand, twenty-five".