100129193 has 2 divisors, whose sum is σ = 100129194. Its totient is φ = 100129192.

The previous prime is 100129181. The next prime is 100129207. The reversal of 100129193 is 391921001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62220544 + 37908649 = 7888^2 + 6157^2 .

It is a cyclic number.

It is not a de Polignac number, because 100129193 - 2⁴ = 100129177 is a prime.

It is not a weakly prime, because it can be changed into another prime (100129153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50064596 + 50064597.

It is an arithmetic number, because the mean of its divisors is an integer number (50064597).

Almost surely, 2^100129193 is an apocalyptic number.

It is an amenable number.

100129193 is a deficient number, since it is larger than the sum of its proper divisors (1).

100129193 is an equidigital number, since it uses as much as digits as its factorization.

100129193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 100129193 is about 10006.4575649927. The cubic root of 100129193 is about 464.3586842718.

The spelling of 100129193 in words is "one hundred million, one hundred twenty-nine thousand, one hundred ninety-three".