100870361 has 2 divisors, whose sum is σ = 100870362. Its totient is φ = 100870360.

The previous prime is 100870321. The next prime is 100870369. The reversal of 100870361 is 163078001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100380361 + 490000 = 10019^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 100870361 - 2²² = 96676057 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100870361.

It is not a weakly prime, because it can be changed into another prime (100870369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50435180 + 50435181.

It is an arithmetic number, because the mean of its divisors is an integer number (50435181).

Almost surely, 2^100870361 is an apocalyptic number.

It is an amenable number.

100870361 is a deficient number, since it is larger than the sum of its proper divisors (1).

100870361 is an equidigital number, since it uses as much as digits as its factorization.

100870361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 100870361 is about 10043.4237688151. The cubic root of 100870361 is about 465.5016146263.

The spelling of 100870361 in words is "one hundred million, eight hundred seventy thousand, three hundred sixty-one".