102080449 has 2 divisors, whose sum is σ = 102080450. Its totient is φ = 102080448.

The previous prime is 102080437. The next prime is 102080453. The reversal of 102080449 is 944080201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63888049 + 38192400 = 7993^2 + 6180^2 .

It is a cyclic number.

It is not a de Polignac number, because 102080449 - 2¹¹ = 102078401 is a prime.

It is not a weakly prime, because it can be changed into another prime (102080479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51040224 + 51040225.

It is an arithmetic number, because the mean of its divisors is an integer number (51040225).

Almost surely, 2^102080449 is an apocalyptic number.

It is an amenable number.

102080449 is a deficient number, since it is larger than the sum of its proper divisors (1).

102080449 is an equidigital number, since it uses as much as digits as its factorization.

102080449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 102080449 is about 10103.4869723279. The cubic root of 102080449 is about 467.3556785202.

The spelling of 102080449 in words is "one hundred two million, eighty thousand, four hundred forty-nine".