1028502 has 12 divisors (see below), whose sum is σ = 2228460. Its totient is φ = 342828.

The previous prime is 1028479. The next prime is 1028509. The reversal of 1028502 is 2058201.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57139 = 1028502 / (1 + 0 + 2 + 8 + 5 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28552 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (185705).

2^1028502 is an apocalyptic number.

1028502 is an abundant number, since it is smaller than the sum of its proper divisors (1199958).

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

1028502 is a wasteful number, since it uses less digits than its factorization.

1028502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57147 (or 57144 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1028502 is about 1014.1508763493. The cubic root of 1028502 is about 100.9411806656.

The spelling of 1028502 in words is "one million, twenty-eight thousand, five hundred two".