1223130 has 16 divisors (see below), whose sum is σ = 2935584. Its totient is φ = 326160.

The previous prime is 1223119. The next prime is 1223149. The reversal of 1223130 is 313221.

It is a happy number.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 20356 + ... + 20415.

It is an arithmetic number, because the mean of its divisors is an integer number (183474).

2^1223130 is an apocalyptic number.

1223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223130 is an abundant number, since it is smaller than the sum of its proper divisors (1712454).

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

1223130 is a wasteful number, since it uses less digits than its factorization.

1223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1223130 is about 1105.9520785278. The cubic root of 1223130 is about 106.9442747072.

Adding to 1223130 its reverse (313221), we get a palindrome (1536351).

Subtracting from 1223130 its reverse (313221), we obtain a palindrome (909909).

The spelling of 1223130 in words is "one million, two hundred twenty-three thousand, one hundred thirty".