1219888 has 10 divisors (see below), whose sum is σ = 2363564. Its totient is φ = 609936.

The previous prime is 1219879. The next prime is 1219891. The reversal of 1219888 is 8889121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38106 + ... + 38137.

2^1219888 is an apocalyptic number.

It is an amenable number.

1219888 is a deficient number, since it is larger than the sum of its proper divisors (1143676).

1219888 is an equidigital number, since it uses as much as digits as its factorization.

1219888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76251 (or 76245 counting only the distinct ones).

The product of its digits is 9216, while the sum is 37.

The square root of 1219888 is about 1104.4854005373. The cubic root of 1219888 is about 106.8497030971.

It can be divided in two parts, 12 and 19888, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 1219888 in words is "one million, two hundred nineteen thousand, eight hundred eighty-eight".