1225122 has 16 divisors (see below), whose sum is σ = 2594592. Its totient is φ = 384320.

The previous prime is 1225117. The next prime is 1225123. The reversal of 1225122 is 2215221.

It is not an unprimeable number, because it can be changed into a prime (1225123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5904 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (162162).

2^1225122 is an apocalyptic number.

1225122 is an abundant number, since it is smaller than the sum of its proper divisors (1369470).

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

1225122 is a wasteful number, since it uses less digits than its factorization.

1225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12033.

The product of its digits is 80, while the sum is 15.

The square root of 1225122 is about 1106.8522936689. The cubic root of 1225122 is about 107.0023000059.

Subtracting 1225122 from its reverse (2215221), we obtain a palindrome (990099).

The spelling of 1225122 in words is "one million, two hundred twenty-five thousand, one hundred twenty-two".