103178130 has 64 divisors (see below), whose sum is σ = 273466368. Its totient is φ = 24704960.

The previous prime is 103178129. The next prime is 103178147. The reversal of 103178130 is 31871301.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103178130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25507 + ... + 29273.

It is an arithmetic number, because the mean of its divisors is an integer number (4272912).

Almost surely, 2^103178130 is an apocalyptic number.

103178130 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 103178130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136733184).

103178130 is an abundant number, since it is smaller than the sum of its proper divisors (170288238).

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

103178130 is a wasteful number, since it uses less digits than its factorization.

103178130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 103178130 is about 10157.6636093149. The cubic root of 103178130 is about 469.0248833942.

The spelling of 103178130 in words is "one hundred three million, one hundred seventy-eight thousand, one hundred thirty".