1201344125 has 8 divisors (see below), whose sum is σ = 1499277624. Its totient is φ = 961075200.

The previous prime is 1201344121. The next prime is 1201344139. The reversal of 1201344125 is 5214431021.

It can be written as a sum of positive squares in 4 ways, for example, as 51998521 + 1149345604 = 7211^2 + 33902^2 .

It is not a de Polignac number, because 1201344125 - 2² = 1201344121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201344125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201344121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4805252 + ... + 4805501.

It is an arithmetic number, because the mean of its divisors is an integer number (187409703).

Almost surely, 2^1201344125 is an apocalyptic number.

It is an amenable number.

1201344125 is a deficient number, since it is larger than the sum of its proper divisors (297933499).

1201344125 is an frugal number, since it uses more digits than its factorization.

1201344125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610768 (or 9610758 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1201344125 is about 34660.4114949606. The cubic root of 1201344125 is about 1063.0551838999.

Adding to 1201344125 its reverse (5214431021), we get a palindrome (6415775146).

The spelling of 1201344125 in words is "one billion, two hundred one million, three hundred forty-four thousand, one hundred twenty-five".