1201165226 has 8 divisors (see below), whose sum is σ = 1907733060. Its totient is φ = 565254208.

The previous prime is 1201165223. The next prime is 1201165241. The reversal of 1201165226 is 6225611021.

It can be written as a sum of positive squares in 2 ways, for example, as 908721025 + 292444201 = 30145^2 + 17101^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1201165195 and 1201165204.

It is not an unprimeable number, because it can be changed into a prime (1201165223) 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, 17664161 + ... + 17664228.

Almost surely, 2^1201165226 is an apocalyptic number.

1201165226 is a deficient number, since it is larger than the sum of its proper divisors (706567834).

1201165226 is a wasteful number, since it uses less digits than its factorization.

1201165226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35328408.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1201165226 is about 34657.8306591743. The cubic root of 1201165226 is about 1063.0024127451.

Adding to 1201165226 its reverse (6225611021), we get a palindrome (7426776247).

The spelling of 1201165226 in words is "one billion, two hundred one million, one hundred sixty-five thousand, two hundred twenty-six".