101132389 has 2 divisors, whose sum is σ = 101132390. Its totient is φ = 101132388.

The previous prime is 101132387. The next prime is 101132407. The reversal of 101132389 is 983231101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100340289 + 792100 = 10017^2 + 890^2 .

It is an emirp because it is prime and its reverse (983231101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101132389 - 2¹ = 101132387 is a prime.

Together with 101132387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101132387) 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, 50566194 + 50566195.

It is an arithmetic number, because the mean of its divisors is an integer number (50566195).

Almost surely, 2^101132389 is an apocalyptic number.

It is an amenable number.

101132389 is a deficient number, since it is larger than the sum of its proper divisors (1).

101132389 is an equidigital number, since it uses as much as digits as its factorization.

101132389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 101132389 is about 10056.4600630639. The cubic root of 101132389 is about 465.9043394424.

The spelling of 101132389 in words is "one hundred one million, one hundred thirty-two thousand, three hundred eighty-nine".