1201334125 has 16 divisors (see below), whose sum is σ = 1500892848. Its totient is φ = 960024000.

The previous prime is 1201334117. The next prime is 1201334159. The reversal of 1201334125 is 5214331021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 43837641 + 1157496484 = 6621^2 + 34022^2 .

It is not a de Polignac number, because 1201334125 - 2³ = 1201334117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201334096 and 1201334105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122919 + ... + 132331.

It is an arithmetic number, because the mean of its divisors is an integer number (93805803).

Almost surely, 2^1201334125 is an apocalyptic number.

It is an amenable number.

1201334125 is a deficient number, since it is larger than the sum of its proper divisors (299558723).

1201334125 is an equidigital number, since it uses as much as digits as its factorization.

1201334125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449 (or 10439 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1201334125 is about 34660.2672378619. The cubic root of 1201334125 is about 1063.0522342645.

Adding to 1201334125 its reverse (5214331021), we get a palindrome (6415665146).

The spelling of 1201334125 in words is "one billion, two hundred one million, three hundred thirty-four thousand, one hundred twenty-five".