103440120 has 64 divisors (see below), whose sum is σ = 354654720. Its totient is φ = 23643264.

The previous prime is 103440101. The next prime is 103440137. The reversal of 103440120 is 21044301.

It is a super-2 number, since 2×103440120² = 21399716851228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103440120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60732 + ... + 62411.

It is an arithmetic number, because the mean of its divisors is an integer number (5541480).

Almost surely, 2^103440120 is an apocalyptic number.

103440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103440120 is an abundant number, since it is smaller than the sum of its proper divisors (251214600).

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

103440120 is a wasteful number, since it uses less digits than its factorization.

103440120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123164 (or 123160 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 103440120 is about 10170.5516074596. The cubic root of 103440120 is about 469.4215306622.

Adding to 103440120 its reverse (21044301), we get a palindrome (124484421).

The spelling of 103440120 in words is "one hundred three million, four hundred forty thousand, one hundred twenty".