1244010401 has 2 divisors, whose sum is σ = 1244010402. Its totient is φ = 1244010400.

The previous prime is 1244010371. The next prime is 1244010403. The reversal of 1244010401 is 1040104421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205756176 + 38254225 = 34724^2 + 6185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244010401 - 2³⁰ = 170268577 is a prime.

Together with 1244010403, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244010401.

It is not a weakly prime, because it can be changed into another prime (1244010403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622005200 + 622005201.

It is an arithmetic number, because the mean of its divisors is an integer number (622005201).

Almost surely, 2^1244010401 is an apocalyptic number.

It is an amenable number.

1244010401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244010401 is an equidigital number, since it uses as much as digits as its factorization.

1244010401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1244010401 is about 35270.5316234389. The cubic root of 1244010401 is about 1075.4940295710.

Adding to 1244010401 its reverse (1040104421), we get a palindrome (2284114822).

The spelling of 1244010401 in words is "one billion, two hundred forty-four million, ten thousand, four hundred one".