102040000 has 70 divisors (see below), whose sum is σ = 253125224. Its totient is φ = 40800000.

The previous prime is 102039991. The next prime is 102040027. The reversal of 102040000 is 40201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38725 + ... + 41275.

Almost surely, 2^102040000 is an apocalyptic number.

102040000 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 102040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126562612).

102040000 is an abundant number, since it is smaller than the sum of its proper divisors (151085224).

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

102040000 is an frugal number, since it uses more digits than its factorization.

102040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 102040000 is about 10101.4850393395. The cubic root of 102040000 is about 467.2939410460.

Adding to 102040000 its reverse (40201), we get a palindrome (102080201).

The spelling of 102040000 in words is "one hundred two million, forty thousand".