1102251225 has 12 divisors (see below), whose sum is σ = 1822388816. Its totient is φ = 587867280.

The previous prime is 1102251209. The next prime is 1102251233. The reversal of 1102251225 is 5221522011.

It is not a de Polignac number, because 1102251225 - 2⁴ = 1102251209 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 7348267 + ... + 7348416.

Almost surely, 2^1102251225 is an apocalyptic number.

1102251225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102251225 is a deficient number, since it is larger than the sum of its proper divisors (720137591).

1102251225 is a wasteful number, since it uses less digits than its factorization.

1102251225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696696 (or 14696691 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1102251225 is about 33200.1690507744. The cubic root of 1102251225 is about 1032.9838461432.

Adding to 1102251225 its reverse (5221522011), we get a palindrome (6323773236).

The spelling of 1102251225 in words is "one billion, one hundred two million, two hundred fifty-one thousand, two hundred twenty-five".