1206158 has 8 divisors (see below), whose sum is σ = 1904520. Its totient is φ = 571320.

The previous prime is 1206157. The next prime is 1206169. The reversal of 1206158 is 8516021.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15833 + ... + 15908.

It is an arithmetic number, because the mean of its divisors is an integer number (238065).

2^1206158 is an apocalyptic number.

1206158 is a deficient number, since it is larger than the sum of its proper divisors (698362).

1206158 is a wasteful number, since it uses less digits than its factorization.

1206158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31762.

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

The square root of 1206158 is about 1098.2522478921. The cubic root of 1206158 is about 106.4473205197.

The spelling of 1206158 in words is "one million, two hundred six thousand, one hundred fifty-eight".