1401211429 has 2 divisors, whose sum is σ = 1401211430. Its totient is φ = 1401211428.

The previous prime is 1401211393. The next prime is 1401211499. The reversal of 1401211429 is 9241121041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310295204 + 90916225 = 36198^2 + 9535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401211429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401211499) 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, 700605714 + 700605715.

It is an arithmetic number, because the mean of its divisors is an integer number (700605715).

Almost surely, 2^1401211429 is an apocalyptic number.

It is an amenable number.

1401211429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401211429 is an equidigital number, since it uses as much as digits as its factorization.

1401211429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1401211429 is about 37432.7587682233. The cubic root of 1401211429 is about 1119.0115186345.

The spelling of 1401211429 in words is "one billion, four hundred one million, two hundred eleven thousand, four hundred twenty-nine".