103541021 has 4 divisors (see below), whose sum is σ = 103566912. Its totient is φ = 103515132.

The previous prime is 103540993. The next prime is 103541027. The reversal of 103541021 is 120145301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103541021 - 2¹⁴ = 103524637 is a prime.

It is a super-3 number, since 3×103541021³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103541027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5531 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (25891728).

Almost surely, 2^103541021 is an apocalyptic number.

It is an amenable number.

103541021 is a deficient number, since it is larger than the sum of its proper divisors (25891).

103541021 is an equidigital number, since it uses as much as digits as its factorization.

103541021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25890.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 103541021 is about 10175.5108471270. The cubic root of 103541021 is about 469.5741139777.

Adding to 103541021 its reverse (120145301), we get a palindrome (223686322).

The spelling of 103541021 in words is "one hundred three million, five hundred forty-one thousand, twenty-one".