101452789 has 2 divisors, whose sum is σ = 101452790. Its totient is φ = 101452788.

The previous prime is 101452777. The next prime is 101452829. The reversal of 101452789 is 987254101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84088900 + 17363889 = 9170^2 + 4167^2 .

It is an emirp because it is prime and its reverse (987254101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101452789 - 2⁷ = 101452661 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101452489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50726394 + 50726395.

It is an arithmetic number, because the mean of its divisors is an integer number (50726395).

Almost surely, 2^101452789 is an apocalyptic number.

It is an amenable number.

101452789 is a deficient number, since it is larger than the sum of its proper divisors (1).

101452789 is an equidigital number, since it uses as much as digits as its factorization.

101452789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 101452789 is about 10072.3775246959. The cubic root of 101452789 is about 466.3958350859.

The spelling of 101452789 in words is "one hundred one million, four hundred fifty-two thousand, seven hundred eighty-nine".