103780130 has 16 divisors (see below), whose sum is σ = 187221240. Its totient is φ = 41419392.

The previous prime is 103780123. The next prime is 103780133. The reversal of 103780130 is 31087301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68840209 + 34939921 = 8297^2 + 5911^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103780096 and 103780105.

It is not an unprimeable number, because it can be changed into a prime (103780133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785 + ... + 15924.

Almost surely, 2^103780130 is an apocalyptic number.

103780130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103780130 is a deficient number, since it is larger than the sum of its proper divisors (83441110).

103780130 is a wasteful number, since it uses less digits than its factorization.

103780130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 103780130 is about 10187.2533098966. The cubic root of 103780130 is about 469.9353011892.

The spelling of 103780130 in words is "one hundred three million, seven hundred eighty thousand, one hundred thirty".