100520141 has 2 divisors, whose sum is σ = 100520142. Its totient is φ = 100520140.

The previous prime is 100520137. The next prime is 100520159. The reversal of 100520141 is 141025001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88755241 + 11764900 = 9421^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 100520141 - 2² = 100520137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100526141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260070 + 50260071.

It is an arithmetic number, because the mean of its divisors is an integer number (50260071).

Almost surely, 2^100520141 is an apocalyptic number.

It is an amenable number.

100520141 is a deficient number, since it is larger than the sum of its proper divisors (1).

100520141 is an equidigital number, since it uses as much as digits as its factorization.

100520141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100520141 is about 10025.9733193341. The cubic root of 100520141 is about 464.9622523025.

Adding to 100520141 its reverse (141025001), we get a palindrome (241545142).

The spelling of 100520141 in words is "one hundred million, five hundred twenty thousand, one hundred forty-one".