1201334101 has 6 divisors (see below), whose sum is σ = 1320474806. Its totient is φ = 1092121800.

The previous prime is 1201334089. The next prime is 1201334111. The reversal of 1201334101 is 1014331021.

It can be written as a sum of positive squares in only one way, i.e., 1193771601 + 7562500 = 34551^2 + 2750^2 .

It is not a de Polignac number, because 1201334101 - 2⁹ = 1201333589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201334111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4964070 + ... + 4964311.

Almost surely, 2^1201334101 is an apocalyptic number.

1201334101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201334101 is a deficient number, since it is larger than the sum of its proper divisors (119140705).

1201334101 is an equidigital number, since it uses as much as digits as its factorization.

1201334101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928403 (or 9928392 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1201334101 is about 34660.2668916441. The cubic root of 1201334101 is about 1063.0522271854.

Adding to 1201334101 its reverse (1014331021), we get a palindrome (2215665122).

The spelling of 1201334101 in words is "one billion, two hundred one million, three hundred thirty-four thousand, one hundred one".