100701281 has 2 divisors, whose sum is σ = 100701282. Its totient is φ = 100701280.

The previous prime is 100701269. The next prime is 100701287. The reversal of 100701281 is 182107001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 4661281 = 9800^2 + 2159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100701281 is a prime.

It is a super-2 number, since 2×100701281² = 20281495990081922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100701287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50350640 + 50350641.

It is an arithmetic number, because the mean of its divisors is an integer number (50350641).

Almost surely, 2^100701281 is an apocalyptic number.

It is an amenable number.

100701281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100701281 is an equidigital number, since it uses as much as digits as its factorization.

100701281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 100701281 is about 10035.0027902338. The cubic root of 100701281 is about 465.2413762050.

Adding to 100701281 its reverse (182107001), we get a palindrome (282808282).

The spelling of 100701281 in words is "one hundred million, seven hundred one thousand, two hundred eighty-one".