100718953 has 2 divisors, whose sum is σ = 100718954. Its totient is φ = 100718952.

The previous prime is 100718941. The next prime is 100719007. The reversal of 100718953 is 359817001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 31945104 = 8293^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 100718953 - 2⁹ = 100718441 is a prime.

It is not a weakly prime, because it can be changed into another prime (100713953) 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, 50359476 + 50359477.

It is an arithmetic number, because the mean of its divisors is an integer number (50359477).

Almost surely, 2^100718953 is an apocalyptic number.

It is an amenable number.

100718953 is a deficient number, since it is larger than the sum of its proper divisors (1).

100718953 is an equidigital number, since it uses as much as digits as its factorization.

100718953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 100718953 is about 10035.8832695483. The cubic root of 100718953 is about 465.2685895785.

The spelling of 100718953 in words is "one hundred million, seven hundred eighteen thousand, nine hundred fifty-three".