1201125041 has 2 divisors, whose sum is σ = 1201125042. Its totient is φ = 1201125040.

The previous prime is 1201125017. The next prime is 1201125049. The reversal of 1201125041 is 1405211021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120843441 + 80281600 = 33479^2 + 8960^2 .

It is an emirp because it is prime and its reverse (1405211021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201125041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201125049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600562520 + 600562521.

It is an arithmetic number, because the mean of its divisors is an integer number (600562521).

Almost surely, 2^1201125041 is an apocalyptic number.

It is an amenable number.

1201125041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201125041 is an equidigital number, since it uses as much as digits as its factorization.

1201125041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1201125041 is about 34657.2509152125. The cubic root of 1201125041 is about 1062.9905583592.

Adding to 1201125041 its reverse (1405211021), we get a palindrome (2606336062).

The spelling of 1201125041 in words is "one billion, two hundred one million, one hundred twenty-five thousand, forty-one".