103121441 has 6 divisors (see below), whose sum is σ = 104385810. Its totient is φ = 101872208.

The previous prime is 103121429. The next prime is 103121467. The reversal of 103121441 is 144121301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 49773025 = 7304^2 + 7055^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103121441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103121401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 596 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (17397635).

Almost surely, 2^103121441 is an apocalyptic number.

It is an amenable number.

103121441 is a deficient number, since it is larger than the sum of its proper divisors (1264369).

103121441 is an frugal number, since it uses more digits than its factorization.

103121441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135 (or 15052 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 103121441 is about 10154.8727712365. The cubic root of 103121441 is about 468.9389691195.

Adding to 103121441 its reverse (144121301), we get a palindrome (247242742).

The spelling of 103121441 in words is "one hundred three million, one hundred twenty-one thousand, four hundred forty-one".