102173530 has 16 divisors (see below), whose sum is σ = 184135680. Its totient is φ = 40819792.

The previous prime is 102173509. The next prime is 102173531. The reversal of 102173530 is 35371201.

It is not an unprimeable number, because it can be changed into a prime (102173531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3111 + ... + 14629.

It is an arithmetic number, because the mean of its divisors is an integer number (11508480).

Almost surely, 2^102173530 is an apocalyptic number.

102173530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102173530 is a deficient number, since it is larger than the sum of its proper divisors (81962150).

102173530 is a wasteful number, since it uses less digits than its factorization.

102173530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 102173530 is about 10108.0923027048. The cubic root of 102173530 is about 467.4976865109.

The spelling of 102173530 in words is "one hundred two million, one hundred seventy-three thousand, five hundred thirty".