1128506 has 8 divisors (see below), whose sum is σ = 1751220. Its totient is φ = 544768.

The previous prime is 1128503. The next prime is 1128509. The reversal of 1128506 is 6058211.

It is an interprime number because it is at equal distance from previous prime (1128503) and next prime (1128509).

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 36481 = 1045^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1128503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9671 + ... + 9786.

2^1128506 is an apocalyptic number.

1128506 is a deficient number, since it is larger than the sum of its proper divisors (622714).

1128506 is a wasteful number, since it uses less digits than its factorization.

1128506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19488.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1128506 is about 1062.3116303609. The cubic root of 1128506 is about 104.1121202064.

The spelling of 1128506 in words is "one million, one hundred twenty-eight thousand, five hundred six".