1401155341 has 2 divisors, whose sum is σ = 1401155342. Its totient is φ = 1401155340.

The previous prime is 1401155339. The next prime is 1401155359. The reversal of 1401155341 is 1435511041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1230957225 + 170198116 = 35085^2 + 13046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401155341 - 2¹ = 1401155339 is a prime.

It is a super-2 number, since 2×1401155341² = 3926472579225652562, which contains 22 as substring.

Together with 1401155339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401255341) 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, 700577670 + 700577671.

It is an arithmetic number, because the mean of its divisors is an integer number (700577671).

Almost surely, 2^1401155341 is an apocalyptic number.

It is an amenable number.

1401155341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401155341 is an equidigital number, since it uses as much as digits as its factorization.

1401155341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1401155341 is about 37432.0095773657. The cubic root of 1401155341 is about 1118.9965877553.

Adding to 1401155341 its reverse (1435511041), we get a palindrome (2836666382).

The spelling of 1401155341 in words is "one billion, four hundred one million, one hundred fifty-five thousand, three hundred forty-one".