102387390 has 128 divisors (see below), whose sum is σ = 300810240. Its totient is φ = 21783168.

The previous prime is 102387377. The next prime is 102387403. The reversal of 102387390 is 93783201.

It is an interprime number because it is at equal distance from previous prime (102387377) and next prime (102387403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 267139 + ... + 267521.

It is an arithmetic number, because the mean of its divisors is an integer number (2350080).

Almost surely, 2^102387390 is an apocalyptic number.

102387390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102387390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150405120).

102387390 is an abundant number, since it is smaller than the sum of its proper divisors (198422850).

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

102387390 is a wasteful number, since it uses less digits than its factorization.

102387390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 102387390 is about 10118.6654258356. The cubic root of 102387390 is about 467.8236332300.

The spelling of 102387390 in words is "one hundred two million, three hundred eighty-seven thousand, three hundred ninety".