1228375 has 16 divisors (see below), whose sum is σ = 1587456. Its totient is φ = 948000.

The previous prime is 1228373. The next prime is 1228391. The reversal of 1228375 is 5738221.

It is not a de Polignac number, because 1228375 - 2¹ = 1228373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228373) 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 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (99216).

2^1228375 is an apocalyptic number.

1228375 is a deficient number, since it is larger than the sum of its proper divisors (359081).

1228375 is an equidigital number, since it uses as much as digits as its factorization.

1228375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 353 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1228375 is about 1108.3208019342. The cubic root of 1228375 is about 107.0969221082.

The spelling of 1228375 in words is "one million, two hundred twenty-eight thousand, three hundred seventy-five".