102798375 has 32 divisors (see below), whose sum is σ = 171714816. Its totient is φ = 54615200.

The previous prime is 102798373. The next prime is 102798383. The reversal of 102798375 is 573897201.

It is not a de Polignac number, because 102798375 - 2¹ = 102798373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102798373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174832 + ... + 175418.

It is an arithmetic number, because the mean of its divisors is an integer number (5366088).

Almost surely, 2^102798375 is an apocalyptic number.

102798375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102798375 is a deficient number, since it is larger than the sum of its proper divisors (68916441).

102798375 is an equidigital number, since it uses as much as digits as its factorization.

102798375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 102798375 is about 10138.9533483491. The cubic root of 102798375 is about 468.4487486586.

The spelling of 102798375 in words is "one hundred two million, seven hundred ninety-eight thousand, three hundred seventy-five".