102097449 has 8 divisors (see below), whose sum is σ = 151255520. Its totient is φ = 68064948.

The previous prime is 102097441. The next prime is 102097453. The reversal of 102097449 is 944790201.

102097449 is a `hidden beast` number, since 1 + 0 + 209 + 7 + 449 = 666.

It is not a de Polignac number, because 102097449 - 2³ = 102097441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102097441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890667 + ... + 1890720.

It is an arithmetic number, because the mean of its divisors is an integer number (18906940).

Almost surely, 2^102097449 is an apocalyptic number.

It is an amenable number.

102097449 is a deficient number, since it is larger than the sum of its proper divisors (49158071).

102097449 is an equidigital number, since it uses as much as digits as its factorization.

102097449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781396 (or 3781390 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 102097449 is about 10104.3282310107. The cubic root of 102097449 is about 467.3816208223.

The spelling of 102097449 in words is "one hundred two million, ninety-seven thousand, four hundred forty-nine".