100380375 has 24 divisors (see below), whose sum is σ = 180954384. Its totient is φ = 53535600.

The previous prime is 100380373. The next prime is 100380377. The reversal of 100380375 is 573083001.

It is an interprime number because it is at equal distance from previous prime (100380373) and next prime (100380377).

It is not a de Polignac number, because 100380375 - 2¹ = 100380373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100380373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43489 + ... + 45738.

It is an arithmetic number, because the mean of its divisors is an integer number (7539766).

Almost surely, 2^100380375 is an apocalyptic number.

100380375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100380375 is a deficient number, since it is larger than the sum of its proper divisors (80574009).

100380375 is an equidigital number, since it uses as much as digits as its factorization.

100380375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89248 (or 89235 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 100380375 is about 10019.0006986725. Note that the first 3 decimals coincide. The cubic root of 100380375 is about 464.7466535306.

The spelling of 100380375 in words is "one hundred million, three hundred eighty thousand, three hundred seventy-five".