1212148 has 12 divisors (see below), whose sum is σ = 2424352. Its totient is φ = 519480.

The previous prime is 1212121. The next prime is 1212149. The reversal of 1212148 is 8412121.

It is a happy number.

1212148 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21618 + ... + 21673.

2^1212148 is an apocalyptic number.

It is an amenable number.

1212148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1212148 is a wasteful number, since it uses less digits than its factorization.

1212148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43302 (or 43300 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 1212148 is about 1100.9759307088. The cubic root of 1212148 is about 106.6232418725.

Adding to 1212148 its reverse (8412121), we get a palindrome (9624269).

The spelling of 1212148 in words is "one million, two hundred twelve thousand, one hundred forty-eight".