103551940 has 12 divisors (see below), whose sum is σ = 217459116. Its totient is φ = 41420768.

The previous prime is 103551923. The next prime is 103551941. The reversal of 103551940 is 49155301.

It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 56190016 = 6882^2 + 7496^2 .

It is a super-3 number, since 3×103551940³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103551899 and 103551908.

It is not an unprimeable number, because it can be changed into a prime (103551941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588779 + ... + 2588818.

It is an arithmetic number, because the mean of its divisors is an integer number (18121593).

Almost surely, 2^103551940 is an apocalyptic number.

103551940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103551940 is an abundant number, since it is smaller than the sum of its proper divisors (113907176).

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

103551940 is a wasteful number, since it uses less digits than its factorization.

103551940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177606 (or 5177604 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 103551940 is about 10176.0473662420. The cubic root of 103551940 is about 469.5906198336.

It can be divided in two parts, 1035 and 51940, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 103551940 in words is "one hundred three million, five hundred fifty-one thousand, nine hundred forty".