102023249 has 2 divisors, whose sum is σ = 102023250. Its totient is φ = 102023248.

The previous prime is 102023221. The next prime is 102023287. The reversal of 102023249 is 942320201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 12909649 = 9440^2 + 3593^2 .

It is an emirp because it is prime and its reverse (942320201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102023249 - 2⁸ = 102022993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102023209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011624 + 51011625.

It is an arithmetic number, because the mean of its divisors is an integer number (51011625).

Almost surely, 2^102023249 is an apocalyptic number.

It is an amenable number.

102023249 is a deficient number, since it is larger than the sum of its proper divisors (1).

102023249 is an equidigital number, since it uses as much as digits as its factorization.

102023249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102023249 is about 10100.6558697938. The cubic root of 102023249 is about 467.2683691488.

The spelling of 102023249 in words is "one hundred two million, twenty-three thousand, two hundred forty-nine".