102029438 has 8 divisors (see below), whose sum is σ = 174907632. Its totient is φ = 43726896.

The previous prime is 102029437. The next prime is 102029441. The reversal of 102029438 is 834920201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102029438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102029437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643895 + ... + 3643922.

It is an arithmetic number, because the mean of its divisors is an integer number (21863454).

Almost surely, 2^102029438 is an apocalyptic number.

102029438 is a deficient number, since it is larger than the sum of its proper divisors (72878194).

102029438 is an equidigital number, since it uses as much as digits as its factorization.

102029438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287826.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102029438 is about 10100.9622313916. The cubic root of 102029438 is about 467.2778175359.

Adding to 102029438 its reverse (834920201), we get a palindrome (936949639).

The spelling of 102029438 in words is "one hundred two million, twenty-nine thousand, four hundred thirty-eight".