1201306 has 8 divisors (see below), whose sum is σ = 1811700. Its totient is φ = 597408.

The previous prime is 1201283. The next prime is 1201307. The reversal of 1201306 is 6031021.

It can be written as a sum of positive squares in 2 ways, for example, as 1190281 + 11025 = 1091^2 + 105^2 .

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

It is a super-2 number, since 2×1201306² = 2886272211272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201307) 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, 1131 + ... + 1918.

2^1201306 is an apocalyptic number.

1201306 is a deficient number, since it is larger than the sum of its proper divisors (610394).

1201306 is a wasteful number, since it uses less digits than its factorization.

1201306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201306 is about 1096.0410576251. The cubic root of 1201306 is about 106.3043938327.

Adding to 1201306 its reverse (6031021), we get a palindrome (7232327).

The spelling of 1201306 in words is "one million, two hundred one thousand, three hundred six".