103940120 has 16 divisors (see below), whose sum is σ = 233865360. Its totient is φ = 41576032.

The previous prime is 103940093. The next prime is 103940143. The reversal of 103940120 is 21049301.

It is a super-2 number, since 2×103940120² = 21607097091228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103940092 and 103940101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299212 + ... + 1299291.

It is an arithmetic number, because the mean of its divisors is an integer number (14616585).

Almost surely, 2^103940120 is an apocalyptic number.

103940120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103940120 is an abundant number, since it is smaller than the sum of its proper divisors (129925240).

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

103940120 is a wasteful number, since it uses less digits than its factorization.

103940120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598514 (or 2598510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103940120 is about 10195.1027459266. The cubic root of 103940120 is about 470.1766651389.

Adding to 103940120 its reverse (21049301), we get a palindrome (124989421).

The spelling of 103940120 in words is "one hundred three million, nine hundred forty thousand, one hundred twenty".