1225134 has 24 divisors (see below), whose sum is σ = 2747160. Its totient is φ = 394128.

The previous prime is 1225129. The next prime is 1225153. The reversal of 1225134 is 4315221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 652 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (114465).

2^1225134 is an apocalyptic number.

1225134 is an abundant number, since it is smaller than the sum of its proper divisors (1522026).

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

1225134 is a wasteful number, since it uses less digits than its factorization.

1225134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2381 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1225134 is about 1106.8577144331. The cubic root of 1225134 is about 107.0026493652.

The spelling of 1225134 in words is "one million, two hundred twenty-five thousand, one hundred thirty-four".