103229989 has 2 divisors, whose sum is σ = 103229990. Its totient is φ = 103229988.

The previous prime is 103229981. The next prime is 103230013. The reversal of 103229989 is 989922301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 613089 = 10130^2 + 783^2 .

It is an emirp because it is prime and its reverse (989922301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103229989 - 2³ = 103229981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103229981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51614994 + 51614995.

It is an arithmetic number, because the mean of its divisors is an integer number (51614995).

Almost surely, 2^103229989 is an apocalyptic number.

It is an amenable number.

103229989 is a deficient number, since it is larger than the sum of its proper divisors (1).

103229989 is an equidigital number, since it uses as much as digits as its factorization.

103229989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 103229989 is about 10160.2159917986. The cubic root of 103229989 is about 469.1034500681.

The spelling of 103229989 in words is "one hundred three million, two hundred twenty-nine thousand, nine hundred eighty-nine".