1201011306 has 32 divisors (see below), whose sum is σ = 2623408128. Its totient is φ = 363523440.

The previous prime is 1201011293. The next prime is 1201011311. The reversal of 1201011306 is 6031101021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49831 + ... + 69893.

It is an arithmetic number, because the mean of its divisors is an integer number (81981504).

Almost surely, 2^1201011306 is an apocalyptic number.

1201011306 is an abundant number, since it is smaller than the sum of its proper divisors (1422396822).

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

1201011306 is a wasteful number, since it uses less digits than its factorization.

1201011306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20986.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1201011306 is about 34655.6100220441. The cubic root of 1201011306 is about 1062.9570056362.

Adding to 1201011306 its reverse (6031101021), we get a palindrome (7232112327).

The spelling of 1201011306 in words is "one billion, two hundred one million, eleven thousand, three hundred six".