100969481 has 2 divisors, whose sum is σ = 100969482. Its totient is φ = 100969480.

The previous prime is 100969459. The next prime is 100969483. The reversal of 100969481 is 184969001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59043856 + 41925625 = 7684^2 + 6475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100969481 is a prime.

It is a super-2 number, since 2×100969481² = 20389672186818722, which contains 22 as substring.

Together with 100969483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100969483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50484740 + 50484741.

It is an arithmetic number, because the mean of its divisors is an integer number (50484741).

Almost surely, 2^100969481 is an apocalyptic number.

It is an amenable number.

100969481 is a deficient number, since it is larger than the sum of its proper divisors (1).

100969481 is an equidigital number, since it uses as much as digits as its factorization.

100969481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 100969481 is about 10048.3571294018. The cubic root of 100969481 is about 465.6540393642.

The spelling of 100969481 in words is "one hundred million, nine hundred sixty-nine thousand, four hundred eighty-one".