1133775225 has 120 divisors (see below), whose sum is σ = 2391757632. Its totient is φ = 525571200.

The previous prime is 1133775199. The next prime is 1133775241. The reversal of 1133775225 is 5225773311.

It is a happy number.

It is not a de Polignac number, because 1133775225 - 2⁵ = 1133775193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1133775225.

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 119 ways as a sum of consecutive naturals, for example, 511219 + ... + 513431.

Almost surely, 2^1133775225 is an apocalyptic number.

1133775225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1133775225 is an abundant number, since it is smaller than the sum of its proper divisors (1257982407).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133775225 is a wasteful number, since it uses less digits than its factorization.

1133775225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2255 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 1133775225 is about 33671.5788908094. The cubic root of 1133775225 is about 1042.7390890993.

The spelling of 1133775225 in words is "one billion, one hundred thirty-three million, seven hundred seventy-five thousand, two hundred twenty-five".