1137225 has 24 divisors (see below), whose sum is σ = 1919520. Its totient is φ = 593920.

The previous prime is 1137209. The next prime is 1137229. The reversal of 1137225 is 5227311.

It is not a de Polignac number, because 1137225 - 2⁴ = 1137209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1137229) 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, 4297 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (79980).

2^1137225 is an apocalyptic number.

1137225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1137225 is a deficient number, since it is larger than the sum of its proper divisors (782295).

1137225 is a wasteful number, since it uses less digits than its factorization.

1137225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1137225 is about 1066.4075206036. The cubic root of 1137225 is about 104.3795610375.

The spelling of 1137225 in words is "one million, one hundred thirty-seven thousand, two hundred twenty-five".