1201100137 has 2 divisors, whose sum is σ = 1201100138. Its totient is φ = 1201100136.

The previous prime is 1201100107. The next prime is 1201100149. The reversal of 1201100137 is 7310011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026305296 + 174794841 = 32036^2 + 13221^2 .

It is an emirp because it is prime and its reverse (7310011021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201100137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201100137.

It is not a weakly prime, because it can be changed into another prime (1201100107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600550068 + 600550069.

It is an arithmetic number, because the mean of its divisors is an integer number (600550069).

Almost surely, 2^1201100137 is an apocalyptic number.

It is an amenable number.

1201100137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201100137 is an equidigital number, since it uses as much as digits as its factorization.

1201100137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1201100137 is about 34656.8916234564. The cubic root of 1201100137 is about 1062.9832116637.

Adding to 1201100137 its reverse (7310011021), we get a palindrome (8511111158).

The spelling of 1201100137 in words is "one billion, two hundred one million, one hundred thousand, one hundred thirty-seven".