1219922148 has 12 divisors (see below), whose sum is σ = 2846485040. Its totient is φ = 406640712.

The previous prime is 1219922111. The next prime is 1219922161. The reversal of 1219922148 is 8412299121.

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

It is an unprimeable number.

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, 50830078 + ... + 50830101.

Almost surely, 2^1219922148 is an apocalyptic number.

It is an amenable number.

1219922148 is an abundant number, since it is smaller than the sum of its proper divisors (1626562892).

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

1219922148 is a wasteful number, since it uses less digits than its factorization.

1219922148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101660186 (or 101660184 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 1219922148 is about 34927.3839272282. The cubic root of 1219922148 is about 1068.5070009286.

The spelling of 1219922148 in words is "one billion, two hundred nineteen million, nine hundred twenty-two thousand, one hundred forty-eight".