1223148 has 12 divisors (see below), whose sum is σ = 2854040. Its totient is φ = 407712.

The previous prime is 1223119. The next prime is 1223149. The reversal of 1223148 is 8413221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1223149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50953 + ... + 50976.

2^1223148 is an apocalyptic number.

It is an amenable number.

1223148 is an abundant number, since it is smaller than the sum of its proper divisors (1630892).

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

1223148 is a wasteful number, since it uses less digits than its factorization.

1223148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101936 (or 101934 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1223148 is about 1105.9602162827. The cubic root of 1223148 is about 106.9447993142.

Adding to 1223148 its reverse (8413221), we get a palindrome (9636369).

The spelling of 1223148 in words is "one million, two hundred twenty-three thousand, one hundred forty-eight".