102397173 has 32 divisors (see below), whose sum is σ = 149610240. Its totient is φ = 62092800.

The previous prime is 102397159. The next prime is 102397199. The reversal of 102397173 is 371793201.

It is a happy number.

It is not a de Polignac number, because 102397173 - 2⁴ = 102397157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102397153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145723 + ... + 146423.

It is an arithmetic number, because the mean of its divisors is an integer number (4675320).

Almost surely, 2^102397173 is an apocalyptic number.

It is an amenable number.

102397173 is a deficient number, since it is larger than the sum of its proper divisors (47213067).

102397173 is a wasteful number, since it uses less digits than its factorization.

102397173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 102397173 is about 10119.1488278412. The cubic root of 102397173 is about 467.8385327629.

The spelling of 102397173 in words is "one hundred two million, three hundred ninety-seven thousand, one hundred seventy-three".