1147206 has 16 divisors (see below), whose sum is σ = 2306304. Its totient is φ = 380424.

The previous prime is 1147193. The next prime is 1147213. The reversal of 1147206 is 6027411.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (144144).

2^1147206 is an apocalyptic number.

1147206 is an abundant number, since it is smaller than the sum of its proper divisors (1159098).

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

1147206 is a wasteful number, since it uses less digits than its factorization.

1147206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1147206 is about 1071.0770280423. The cubic root of 1147206 is about 104.6840388401.

The spelling of 1147206 in words is "one million, one hundred forty-seven thousand, two hundred six".