1231148 has 12 divisors (see below), whose sum is σ = 2207352. Its totient is φ = 600480.

The previous prime is 1231141. The next prime is 1231171. The reversal of 1231148 is 8411321.

1231148 is nontrivially palindromic in base 8.

It is not an unprimeable number, because it can be changed into a prime (1231141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (183946).

2^1231148 is an apocalyptic number.

It is an amenable number.

1231148 is a deficient number, since it is larger than the sum of its proper divisors (976204).

1231148 is a wasteful number, since it uses less digits than its factorization.

1231148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7550 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1231148 is about 1109.5710883039. The cubic root of 1231148 is about 107.1774503323.

Adding to 1231148 its reverse (8411321), we get a palindrome (9642469).

The spelling of 1231148 in words is "one million, two hundred thirty-one thousand, one hundred forty-eight".