102449983 has 2 divisors, whose sum is σ = 102449984. Its totient is φ = 102449982.

The previous prime is 102449969. The next prime is 102449987. The reversal of 102449983 is 389944201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102449983 - 2⁹ = 102449471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102449987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51224991 + 51224992.

It is an arithmetic number, because the mean of its divisors is an integer number (51224992).

Almost surely, 2^102449983 is an apocalyptic number.

102449983 is a deficient number, since it is larger than the sum of its proper divisors (1).

102449983 is an equidigital number, since it uses as much as digits as its factorization.

102449983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 102449983 is about 10121.7579006811. The cubic root of 102449983 is about 467.9189461378.

The spelling of 102449983 in words is "one hundred two million, four hundred forty-nine thousand, nine hundred eighty-three".