102817434 has 16 divisors (see below), whose sum is σ = 208452672. Its totient is φ = 33802848.

The previous prime is 102817423. The next prime is 102817439. The reversal of 102817434 is 434718201.

It is not an unprimeable number, because it can be changed into a prime (102817439) 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, 116934 + ... + 117809.

It is an arithmetic number, because the mean of its divisors is an integer number (13028292).

Almost surely, 2^102817434 is an apocalyptic number.

102817434 is an abundant number, since it is smaller than the sum of its proper divisors (105635238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102817434 is a wasteful number, since it uses less digits than its factorization.

102817434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234821.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 102817434 is about 10139.8931947038. The cubic root of 102817434 is about 468.4776972777.

The spelling of 102817434 in words is "one hundred two million, eight hundred seventeen thousand, four hundred thirty-four".