1030628 has 6 divisors (see below), whose sum is σ = 1803606. Its totient is φ = 515312.

The previous prime is 1030619. The next prime is 1030637. The reversal of 1030628 is 8260301.

It is an interprime number because it is at equal distance from previous prime (1030619) and next prime (1030637).

It can be written as a sum of positive squares in only one way, i.e., 565504 + 465124 = 752^2 + 682^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 128825 + ... + 128832.

It is an arithmetic number, because the mean of its divisors is an integer number (300601).

2^1030628 is an apocalyptic number.

It is an amenable number.

1030628 is a deficient number, since it is larger than the sum of its proper divisors (772978).

1030628 is a wasteful number, since it uses less digits than its factorization.

1030628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257661 (or 257659 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1030628 is about 1015.1985027570. The cubic root of 1030628 is about 101.0106840967.

Adding to 1030628 its reverse (8260301), we get a palindrome (9290929).

The spelling of 1030628 in words is "one million, thirty thousand, six hundred twenty-eight".