1201401401 has 2 divisors, whose sum is σ = 1201401402. Its totient is φ = 1201401400.

The previous prime is 1201401391. The next prime is 1201401413. The reversal of 1201401401 is 1041041021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877581376 + 323820025 = 29624^2 + 17995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201401401 - 2⁶ = 1201401337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201400401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600700700 + 600700701.

It is an arithmetic number, because the mean of its divisors is an integer number (600700701).

Almost surely, 2^1201401401 is an apocalyptic number.

It is an amenable number.

1201401401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201401401 is an equidigital number, since it uses as much as digits as its factorization.

1201401401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1201401401 is about 34661.2377303523. The cubic root of 1201401401 is about 1063.0720779160.

Adding to 1201401401 its reverse (1041041021), we get a palindrome (2242442422).

The spelling of 1201401401 in words is "one billion, two hundred one million, four hundred one thousand, four hundred one".