1868128 has 12 divisors (see below), whose sum is σ = 3677940. Its totient is φ = 934048.

The previous prime is 1868107. The next prime is 1868149. The reversal of 1868128 is 8218681.

It is an interprime number because it is at equal distance from previous prime (1868107) and next prime (1868149).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1868093 and 1868102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29158 + ... + 29221.

It is an arithmetic number, because the mean of its divisors is an integer number (306495).

2^1868128 is an apocalyptic number.

It is an amenable number.

1868128 is a deficient number, since it is larger than the sum of its proper divisors (1809812).

1868128 is an equidigital number, since it uses as much as digits as its factorization.

1868128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58389 (or 58381 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 1868128 is about 1366.7947907422. The cubic root of 1868128 is about 123.1597721024.

The spelling of 1868128 in words is "one million, eight hundred sixty-eight thousand, one hundred twenty-eight".