1398702101 has 2 divisors, whose sum is σ = 1398702102. Its totient is φ = 1398702100.

The previous prime is 1398702077. The next prime is 1398702127. The reversal of 1398702101 is 1012078931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1398685201 + 16900 = 37399^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1398702101 - 2⁶ = 1398702037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398702191) 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, 699351050 + 699351051.

It is an arithmetic number, because the mean of its divisors is an integer number (699351051).

Almost surely, 2^1398702101 is an apocalyptic number.

It is an amenable number.

1398702101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398702101 is an equidigital number, since it uses as much as digits as its factorization.

1398702101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1398702101 is about 37399.2259411876. The cubic root of 1398702101 is about 1118.3431339443.

The spelling of 1398702101 in words is "one billion, three hundred ninety-eight million, seven hundred two thousand, one hundred one".