102434 has 4 divisors (see below), whose sum is σ = 153654. Its totient is φ = 51216.

The previous prime is 102433. The next prime is 102437. The reversal of 102434 is 434201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 9409 = 305^2 + 97^2 .

It is not an unprimeable number, because it can be changed into a prime (102433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25607 + ... + 25610.

2¹⁰²⁴³⁴ is an apocalyptic number.

102434 is a deficient number, since it is larger than the sum of its proper divisors (51220).

102434 is an equidigital number, since it uses as much as digits as its factorization.

102434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51219.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102434 is about 320.0531205909. The cubic root of 102434 is about 46.7894611865.

Adding to 102434 its reverse (434201), we get a palindrome (536635).

The spelling of 102434 in words is "one hundred two thousand, four hundred thirty-four".