102424439 has 8 divisors (see below), whose sum is σ = 116791920. Its totient is φ = 88983936.

The previous prime is 102424393. The next prime is 102424447. The reversal of 102424439 is 934424201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102424439 - 2²⁰ = 101375863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102424499) 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, 231509 + ... + 231950.

It is an arithmetic number, because the mean of its divisors is an integer number (14598990).

Almost surely, 2^102424439 is an apocalyptic number.

102424439 is a deficient number, since it is larger than the sum of its proper divisors (14367481).

102424439 is a wasteful number, since it uses less digits than its factorization.

102424439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463489.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 102424439 is about 10120.4959858695. The cubic root of 102424439 is about 467.8800539397.

The spelling of 102424439 in words is "one hundred two million, four hundred twenty-four thousand, four hundred thirty-nine".