1149506 has 8 divisors (see below), whose sum is σ = 1825740. Its totient is φ = 540928.

The previous prime is 1149503. The next prime is 1149509. The reversal of 1149506 is 6059411.

It is an interprime number because it is at equal distance from previous prime (1149503) and next prime (1149509).

It can be written as a sum of positive squares in 2 ways, for example, as 1113025 + 36481 = 1055^2 + 191^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16871 + ... + 16938.

2^1149506 is an apocalyptic number.

1149506 is a deficient number, since it is larger than the sum of its proper divisors (676234).

1149506 is a wasteful number, since it uses less digits than its factorization.

1149506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33828.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1149506 is about 1072.1501760481. The cubic root of 1149506 is about 104.7539514689.

The spelling of 1149506 in words is "one million, one hundred forty-nine thousand, five hundred six".