102438000 has 320 divisors, whose sum is σ = 420925440. Its totient is φ = 23328000.

The previous prime is 102437999. The next prime is 102438001. The reversal of 102438000 is 834201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102437999) and next prime (102438001).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102438001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 377865 + ... + 378135.

It is an arithmetic number, because the mean of its divisors is an integer number (1315392).

Almost surely, 2^102438000 is an apocalyptic number.

102438000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102438000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210462720).

102438000 is an abundant number, since it is smaller than the sum of its proper divisors (318487440).

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

102438000 is a wasteful number, since it uses less digits than its factorization.

102438000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 102438000 is about 10121.1659407402. The cubic root of 102438000 is about 467.9007021414.

The spelling of 102438000 in words is "one hundred two million, four hundred thirty-eight thousand".