1969128 has 48 divisors (see below), whose sum is σ = 6096480. Its totient is φ = 562464.

The previous prime is 1969111. The next prime is 1969147. The reversal of 1969128 is 8219691.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1969092 and 1969101.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1450 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (127010).

2^1969128 is an apocalyptic number.

1969128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1969128 is an abundant number, since it is smaller than the sum of its proper divisors (4127352).

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

1969128 is a wasteful number, since it uses less digits than its factorization.

1969128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926 (or 3919 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 1969128 is about 1403.2562132412. The cubic root of 1969128 is about 125.3404691375.

The spelling of 1969128 in words is "one million, nine hundred sixty-nine thousand, one hundred twenty-eight".