100681151 has 2 divisors, whose sum is σ = 100681152. Its totient is φ = 100681150.

The previous prime is 100681121. The next prime is 100681153. The reversal of 100681151 is 151186001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (151186001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100681151 - 2²² = 96486847 is a prime.

It is a Sophie Germain prime.

Together with 100681153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100681153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50340575 + 50340576.

It is an arithmetic number, because the mean of its divisors is an integer number (50340576).

Almost surely, 2^100681151 is an apocalyptic number.

100681151 is a deficient number, since it is larger than the sum of its proper divisors (1).

100681151 is an equidigital number, since it uses as much as digits as its factorization.

100681151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 100681151 is about 10033.9997508471. Note that the first 3 decimals coincide. The cubic root of 100681151 is about 465.2103738420.

The spelling of 100681151 in words is "one hundred million, six hundred eighty-one thousand, one hundred fifty-one".