1745128 has 32 divisors (see below), whose sum is σ = 4080960. Its totient is φ = 679680.

The previous prime is 1745113. The next prime is 1745137. The reversal of 1745128 is 8215471.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1745096 and 1745105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 2032.

It is an arithmetic number, because the mean of its divisors is an integer number (127530).

2^1745128 is an apocalyptic number.

It is an amenable number.

1745128 is an abundant number, since it is smaller than the sum of its proper divisors (2335832).

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

1745128 is a wasteful number, since it uses less digits than its factorization.

1745128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2853 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 1745128 is about 1321.0329291884. The cubic root of 1745128 is about 120.3951786681.

1745128 divided by its sum of digits (28) gives a palindrome (62326).

The spelling of 1745128 in words is "one million, seven hundred forty-five thousand, one hundred twenty-eight".