1363128101 has 2 divisors, whose sum is σ = 1363128102. Its totient is φ = 1363128100.

The previous prime is 1363128083. The next prime is 1363128121. The reversal of 1363128101 is 1018213631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1173405025 + 189723076 = 34255^2 + 13774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363128101 - 2⁶ = 1363128037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363128121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681564050 + 681564051.

It is an arithmetic number, because the mean of its divisors is an integer number (681564051).

Almost surely, 2^1363128101 is an apocalyptic number.

It is an amenable number.

1363128101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363128101 is an equidigital number, since it uses as much as digits as its factorization.

1363128101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1363128101 is about 36920.5647437847. The cubic root of 1363128101 is about 1108.7804426149.

The spelling of 1363128101 in words is "one billion, three hundred sixty-three million, one hundred twenty-eight thousand, one hundred one".