1201101401 has 2 divisors, whose sum is σ = 1201101402. Its totient is φ = 1201101400.

The previous prime is 1201101371. The next prime is 1201101449. The reversal of 1201101401 is 1041011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200691801 + 409600 = 34651^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201101401 - 2³⁰ = 127359577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201101481) 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, 600550700 + 600550701.

It is an arithmetic number, because the mean of its divisors is an integer number (600550701).

Almost surely, 2^1201101401 is an apocalyptic number.

It is an amenable number.

1201101401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201101401 is an equidigital number, since it uses as much as digits as its factorization.

1201101401 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 11.

The square root of 1201101401 is about 34656.9098593628. The cubic root of 1201101401 is about 1062.9835845469.

Adding to 1201101401 its reverse (1041011021), we get a palindrome (2242112422).

The spelling of 1201101401 in words is "one billion, two hundred one million, one hundred one thousand, four hundred one".