1200140101 has 2 divisors, whose sum is σ = 1200140102. Its totient is φ = 1200140100.

The previous prime is 1200140093. The next prime is 1200140119. The reversal of 1200140101 is 1010410021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 726033025 + 474107076 = 26945^2 + 21774^2 .

It is an emirp because it is prime and its reverse (1010410021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200140101 - 2³ = 1200140093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200140171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600070050 + 600070051.

It is an arithmetic number, because the mean of its divisors is an integer number (600070051).

Almost surely, 2^1200140101 is an apocalyptic number.

It is an amenable number.

1200140101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200140101 is an equidigital number, since it uses as much as digits as its factorization.

1200140101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1200140101 is about 34643.0382761097. The cubic root of 1200140101 is about 1062.6999229978.

Adding to 1200140101 its reverse (1010410021), we get a palindrome (2210550122).

The spelling of 1200140101 in words is "one billion, two hundred million, one hundred forty thousand, one hundred one".